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run code in 300+ PHP versions simultaneously
<?php if (phpversion() != '7.0.0') { die; } $ids = []; for($i=0; $i<500; $i++) { $time = time(); $randomString1 = bin2hex(random_bytes(20)); $randomString2 = bin2hex(random_bytes(10)); $ids[] = md5($time.$randomString1.$randomString2); } $a = array_count_values($ids); var_dump( arsort( $a ) );
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.1 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.24, 7.3.0 - 7.3.12
Output for 7.0.0
bool(true)
preferences:
109.5 ms | 401 KiB | 134 Q