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$ ag 'php.*(5\.[456]|7\.0)'
repository/s3/lib.php
29:// This constant is not defined in php 5.4. Set it to avoid errors.

repository/upgrade.txt
93:* instance_config_form() must now be declared static for php5.4 compatibility.

composer.lock
585:                "php": ">=5.5.0",
641:                "php": ">=5.5"
645:                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.4 || ^7.0",
704:                "php": ">=5.5.0"
755:                "php": ">=5.4.0",
931:                "php": ">=5.4.4",
975:                "php": "^5.6 || ^7.0"
1023:                "php": "^5.6 || ^7.0"
1075:                "php": "^5.6 || ^7.0"
1122:                "php": ">=5.5"
1176:                "php": "^7.0",
1227:                "php": "^5.5 || ^7.0",
1275:                "php": "^5.3|^7.0",
1339:                "php": "^7.0",
1391:                "php": "^7.0",
1540:                "php": "^5.3.3 || ^7.0"
1590:                "php": "^7.0"
1646:                "php": "^7.0",
1723:                "php": "^7.0",
1927:                "php": "^5.6 || ^7.0"
1972:                "php": "^7.0",
2036:                "php": "^7.0"
2088:                "php": "^7.0"
2138:                "php": "^7.0",
2205:                "php": "^7.0"
2256:                "php": "^7.0",
2303:                "php": "^7.0"
2348:                "php": "^7.0"
2401:                "php": ">=5.6.0"
2443:                "php": ">=5.6"
2486:                "php": "^5.5.9|>=7.0.8",
2543:                "php": "^5.5.9|>=7.0.8"
2599:                "php": "^5.5.9|>=7.0.8",
2663:                "php": "^5.5.9|>=7.0.8",
2731:                "php": "^5.5.9|>=7.0.8"
2784:                "php": "^5.5.9|>=7.0.8",
2840:                "php": "^5.5.9|>=7.0.8",
2910:                "php": "^5.5.9|>=7.0.8",
2967:                "php": "^5.5.9|>=7.0.8"
3030:                "php": "^5.5.9|>=7.0.8",
3243:                "php": "^5.5.9|>=7.0.8",
3308:                "php": "^5.5.9|>=7.0.8"
3366:                "php": "^7.0"
3403:                "php": "^5.3.3 || ^7.0"

install/lang/sk/install.php
75:$string['phpversionhelp'] = '<p>Moodle si vyžaduje verziu PHP aspoň  5.6.5 alebo 7.1 (7.0.x má určité obmedzenia jadra).</p>

install/lang/da/install.php
83:$string['phpversionhelp'] = '<p>Moodle kræver mindst PHP version 5.6.5. eller 7.1 (7.0.x har nogle maskinbegrænsninger).</p>

install/lang/no/install.php
81:$string['phpversionhelp'] = '<p>Moodle trenger en PHP versjon minst 5.6.5 eller 7.1.0 (7.0.x har noen begrensninger).</p>

install/lang/pt_br/install.php
85:$string['phpversionhelp'] = '<p>O Moodle requer uma versão PHP de pelo menos 5.6.5 ou 7.1 (o 7.0.x tem algumas limitações do motor). </p>

install/lang/ja/install.php
87:$string['phpversionhelp'] = '<p>Moodleには少なくとも5.6.5または7.1のPHPバージョンが必要です (7.0.x にはエンジンの制限があります)。</p>

install/lang/it/install.php
86:$string['phpversionhelp'] = '<p>Moodle necessita come minimo della versione 5.6.5 del PHP. (La versione 7.0.x ha alcuni limiti nell\'engine)</p>

install/lang/cs/install.php
85:$string['phpversionhelp'] = '<p>Moodle vyžaduje PHP alespoň verze 5.6.5 PHP nebo 7.1 (7.0.x má určitá omezení jádra).</p>

install/lang/ru/install.php
85:$string['phpversionhelp'] = '<p>Для Moodle необходим PHP версии не ниже 5.6.5 или 7.1 (есть некоторые проблемы с версией 7.0.x).</p>

install/lang/sr_cr/install.php
83:$string['phpversionhelp'] = '<p>Moodle захтева најмање PHP верзију 5.6.7 или 7.1 (7.0.x има нека ограничења).</p>

install/lang/pt/install.php
69:$string['phpversionhelp'] = '<p>A instalação do Moodle só é possível se no servidor estiver instalada, pelo menos, a versão 5.6.5 do PHP (a versão 7.0.x tem algumas limitações).</p>

install/lang/es_mx/install.php
88:$string['phpversionhelp'] = '<p>Moodle requiere una versión de PHP de al menos 5.6.5 o 7.1 (7.0.x tiene algunas limitaciones del motor).</p>

install/lang/hu/install.php
68:$string['phpversionhelp'] = 'A Moodle használatához legalább a PHP 5.6.5 vagy 7.1 verziója szükséges

install/lang/nl/install.php
83:$string['phpversionhelp'] = '<p>Moodle heeft minstens PHP-versie 5.6.5 of 7.1 nodig (7.0.x heeft een aantal beperkingen).</p>

install/lang/de/install.php
76:$string['phpversionhelp'] = '<p>Moodle benötigt mindestens die PHP-Version 5.6.5. oder 7.1 (7.0.x weist einige Einschränkungen auf).</p>

install/lang/fr/install.php
81:$string['phpversionhelp'] = '<p>Moodle nécessite au minimum la version 5.6.5 ou 7.1 (la version 7.0.x a des limitations avec certains moteurs de base de données).</p>

install/lang/et/install.php
91:$string['phpversionhelp'] = '<p>Moodle vajab vähemalt PHP versiooni 5.6.5 või 7.1 (versioonil 7.0.x on mõned mootoripiirangud).</p>

install/lang/en/install.php
93:$string['phpversionhelp'] = '<p>Moodle requires a PHP version of at least 5.6.5 or 7.1 (7.0.x has some engine limitations).</p>

install/lang/fa/install.php
99:$string['phpversionhelp'] = '<p>مودل نیاز به PHP نسخهٔ حداقل 5.6.5 یا 7.1 دارد (<span dir="ltr" style="direction: ltr; display: inline-block">7.0.x</span> محدودیت‌هایی در engine اش دارد).</p>

install/lang/lt/install.php
66:$string['phpversionhelp'] = '<p>„Moodle“ reikalauja, kad PHP versija būtų ne žemesnė 5.6.5 arba 7.1 (7.0.x versijoje yra tam tikrų trūkumų).</p>

install/lang/eu/install.php
88:$string['phpversionhelp'] = '<p>Moodle-k PHP 5.6.5 edo 7.1 bertsioetako bat behar du (7.0.x bertsioek muga batzuk dituzte). </p>

install/lang/sr_lt/install.php
80:$string['phpversionhelp'] = '<p>Moodle zahteva najmanje PHP verziju 5.6.7 ili 7.1 (7.0.x ima neka ograničenja).</p>

cache/upgrade.txt
7:* The memcache store was removed as it is not compatible with PHP 7.0.

Dockerfile
1:FROM php:7.0-cli

admin/environment.xml
1029:    <PHP version="5.4.4" level="required">
1168:    <PHP version="5.4.4" level="required">
1302:    <PHP version="5.4.4" level="required">
1446:    <PHP version="5.4.4" level="required">
1590:    <PHP version="5.4.4" level="required">
1756:    <PHP version="5.6.5" level="required">
1922:    <PHP version="5.6.5" level="required">
2099:    <PHP version="7.0.0" level="required">
2276:    <PHP version="7.0.0" level="required">
2453:    <PHP version="7.0.0" level="required">

admin/tool/installaddon/classes/installer.php
388:        // The following syntax uses function array dereferencing, added in PHP 5.4.0.

lang/en/install.php
217:$string['phpversionhelp'] = '<p>Moodle requires a PHP version of at least 5.6.5 or 7.1 (7.0.x has some engine limitations).</p>

lib/minify/matthiasmullie-minify/src/JS.php
220:        // PHP only supports $this inside anonymous functions since 5.4
502:        // PHP only supports $this inside anonymous functions since 5.4

lib/minify/matthiasmullie-minify/src/Minify.php
331:        // PHP only supports $this inside anonymous functions since 5.4

lib/spout/README.md
42:* PHP version 5.4.0 or higher

lib/deprecatedlib.php
313: * @deprecated since 2.7 PHP 5.4.x should be always compatible.

lib/phpmailer/changelog.md
17:* **Requires PHP 5.5 or later**
28:  * Warnings emitted for buggy `mail()` in PHP versions 7.0.0 - 7.0.16 and 7.1.0 - 7.1.2; either upgrade or switch to SMTP.

lib/phpmailer/src/Exception.php
4: * PHP Version 5.5.

lib/phpmailer/src/SMTP.php
4: * PHP Version 5.5.
391:        //PHP 5.6.7 dropped inclusion of TLS 1.1 and 1.2 in STREAM_CRYPTO_METHOD_TLS_CLIENT

lib/phpmailer/src/PHPMailer.php
4: * PHP Version 5.5.
266:     * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
1280:                //Ignore IDE complaints about this line - method signature changed in PHP 5.4
1342:            and ((version_compare(PHP_VERSION, '7.0.0', '>=')
1343:                    and version_compare(PHP_VERSION, '7.0.17', '<'))
1350:                ' your php.ini, switch to MacOS or Linux, or upgrade your PHP to version 7.0.17+ or 7.1.3+.',

lib/phpmailer/README.md
24:- Compatible with PHP 5.5 and later
65:PHPMailer 5.2 (which is compatible with PHP 5.0 - 7.0) is no longer being supported for feature updates, and will only be receiving security updates from now on. You will find the latest version of 5.2 in the [5.2-stable branch](https://github.com/PHPMailer/PHPMailer/tree/5.2-stable), and future versions of 5.2 will be tagged with 5.2.x version numbers, so existing composer configs should remain working. If you're using PHP 5.5 or later, we recommend you make the necessary changes to switch to the 6.0 release.
146:There is a PHPUnit test script in the [test](https://github.com/PHPMailer/PHPMailer/tree/master/test/) folder. PHPMailer uses PHPUnit 4.8 - we would use 5.x but we need to run on PHP 5.5.

lib/adodb/drivers/adodb-mysqlt.inc.php
13:  is deprected in PHP version 5.5 and removed in PHP version 7. It is deprecated

lib/adodb/drivers/adodb-mysql.inc.php
12:  is deprected in PHP version 5.5 and removed in PHP version 7. It is deprecated

lib/mlbackend/php/classes/processor.php
69:        if (version_compare(phpversion(), '7.0.0') < 0) {

lib/phpexcel/PHPExcel/Reader/Excel2003XML.php
562:                        $objPHPExcel->getActiveSheet()->getColumnDimension($columnID)->setWidth($columnWidth / 5.4);

lib/simplepie/library/SimplePie.php
1306:		// Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader.
1486:				$this->error .= ' You MUST have either the iconv, mbstring or intl (PHP 5.5+) extension installed and enabled.';
1496:					$missingExtensions[] = 'intl (PHP 5.5+)';

lib/classes/text.php
540:            } else if (version_compare(phpversion(), '5.4.0') < 0) {

lib/classes/session/manager.php
268:        ini_set('session.serialize_handler', 'php');  // We can move to 'php_serialize' after we require PHP 5.5.4 form Moodle.
533:        if (version_compare(PHP_VERSION, '5.6.0', '>=')) {

lib/markdown/Readme.md
4:PHP Markdown Lib 1.7.0 - 29 Oct 2016
177:PHP Markdown Lib 1.7.0 (29 Oct 2016)

lib/google/src/Google/Logger/Abstract.php
367:    if (version_compare(PHP_VERSION, '5.4.0', '>=')) {

lib/dml/oci_native_moodle_database.php
1020:                        if ($params[$key] === null && version_compare(PHP_VERSION, '7.0.0', '>=')) {

lib/horde/framework/Horde/Imap/Client/DateTime.php
32:        $bug_67118 = (version_compare(PHP_VERSION, '5.6', '>=')) ||
33:                     in_array(PHP_VERSION, array('5.4.29', '5.5.13'));

lib/horde/framework/Horde/Idna.php
157:                /* Only available in PHP > 5.4.0 */

lib/horde/framework/Horde/Mime/Part.php
1319:        // TODO: Workaround broken number_format() prior to PHP 5.4.0.

lib/horde/framework/Horde/Domhtml.php
251:        if (version_compare(PHP_VERSION, '5.4', '>=')) {

lib/filestorage/tests/zip_packer_test.php
471:            // And some PHP versions do return correctly false (5.4.25, 5.6.14...)

lib/filestorage/zip_archive.php
272:        // PHP 5.6 introduced encoding guessing logic, we need to fall back
273:        // to raw ZIP_FL_ENC_RAW (== 64) to get consistent results as in PHP 5.5.

lib/setuplib.php
981:        // - PHP versions lesser than 5.6.3 and 5.5.18.
988:                // at least on CentOS 7 (Apache/2.4.6 PHP/5.4.16) and Ubuntu 14.04 (Apache/2.4.7 PHP/5.5.9)

lib/phpunit/phpunit.xsd
4:    <xs:documentation source="https://phpunit.de/manual/5.4/en/appendixes.configuration.html">
5:      This Schema file defines the rules by which the XML configuration file of PHPUnit 5.4 may be structured.

lib/setup.php
350:if (version_compare(PHP_VERSION, '5.6.5') < 0) {
353:    echo "Moodle 3.2 or later requires at least PHP 5.6.5 (currently using version $phpversion).\n";

lib/upgrade.txt
408:* Phpunit has been upgraded to 5.4.x and following has been deprecated and is not used any more:
637:* Less.php upgraded to 1.7.0.9

files/converter/googledrive/classes/converter.php
257:        // This is not a one-liner because of php 5.6.

backup/moodle2/backup_custom_fields.php
221:     * Note that until PHP 5.6.12 openssl_random_pseudo_bytes() did NOT

mod/workshop/classes/privacy/workshopform_legacy_polyfill.php
34: * type hinting that is available in PHP 7.0 only.  If a plugin wants to implement the interface in 3.3 (and therefore
35: * PHP 5.6) with the same codebase, they can make use of this trait. Instead of implementing the interface directly, the

mod/quiz/report/overview/report.php
591:        // See MDL-34589. Using doubles as array keys causes problems in PHP 5.4, hence the explicit cast to int.

mod/lti/service/profile/db/renamedclasses.php
30:    // Changed for PHP 7.0 which now has the word "resource" as a reserved word.

mod/lti/service/memberships/db/renamedclasses.php
30:    // Changed for PHP 7.0 which now has the word "resource" as a reserved word.

mod/lti/service/toolproxy/db/renamedclasses.php
30:    // Changed for PHP 7.0 which now has the word "resource" as a reserved word.

mod/lti/service/toolsettings/db/renamedclasses.php
30:    // Changed for PHP 7.0 which now has the word "resource" as a reserved word.