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Prevent APC causing random fatal errors [fixes #264] 

Update the phar stub to prevent APC attempting to run the composer classes through
the opcode cache on supported APC versions to avoid the random fatal "duplicate
class" errors at runtime as reported in #264.

Prior to APC version 3.0.12 this was a PHP_INI_SYSTEM directive, so output a
warning instead.
pull/3502/head
Andrew Coulton 2014-12-03 13:58:23 +00:00
parent 2b7b605839
commit 9ca99762f9
1 changed files with 10 additions and 0 deletions
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10
src/Composer/Compiler.php
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@ -212,6 +212,16 @@ class Compiler
* the license that is located at the bottom of this file.
*/
// Avoid APC causing random fatal errors per https://github.com/composer/composer/issues/264
if (extension_loaded('apc') && ini_get('apc.enable_cli') && ini_get('apc.cache_by_default')) {
if (version_compare(phpversion('apc'), '3.0.12', '>=')) {
ini_set('apc.cache_by_default', 0);
} else {
fwrite(STDERR, 'Warning: APC <= 3.0.12 may cause fatal errors when running composer commands.'.PHP_EOL);
fwrite(STDERR, 'Update APC, or set apc.enable_cli or apc.cache_by_default to 0 in your php.ini.'.PHP_EOL);
}
}
Phar::mapPhar('composer.phar');
EOF;