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<?php function iksort($a, $b) { return strcasecmp(strtolower($a), strtolower($b)); } $testArray = array('PW_PG3_COKE_A.jpg','2DAYSALEGATE_PG2.jpg','PWBY4_DELI-1.jpg','PW_PG2_COKE_A.jpg','2DAYSALEGATE_PG1.jpg','722_PG1.jpg'); uksort($testArray, 'iksort'); print_r($testArray);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => PW_PG3_COKE_A.jpg [1] => 2DAYSALEGATE_PG2.jpg [2] => PWBY4_DELI-1.jpg [3] => PW_PG2_COKE_A.jpg [4] => 2DAYSALEGATE_PG1.jpg [5] => 722_PG1.jpg )

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