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run code in 150+ php & hhvm versions
Bugs & Features
<?php function genRand($length = 10, $chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ') { $randomString = ''; for ($i = 0; $i < $length; $i++) { $randomString .= $chars[rand(0, strlen($chars) - 1)]; } return $randomString; } function populate($count = 10000) { $array = array(); for($i = 0; $i < $count; $i++) { $phone = genRand(10,'0123456789'); $array[$phone] = array( 'phone' => $phone, 'name' => genRand(20), 'age' => genRand(2, '0123456789'), ); } return $array; } $array1 = populate(40000); $array2 = populate(40000); $match = FALSE; foreach($array1 as $key => $value) { if(isset($array2[$key])) { $match = TRUE; break; } } print_r(($match ? 'matched' : 'nope'));
Output for 5.1.0 - 5.1.2, 5.1.4 - 5.1.5, 5.2.2 - 5.2.11, 5.2.13 - 5.2.17, 5.4.0 - 5.4.11, 5.4.13 - 5.4.16, 5.4.18 - 5.4.20, 5.4.22, 5.4.24 - 5.4.42, 5.5.24 - 5.6.28, 7.0.1 - 7.0.3, 7.0.5 - 7.1.0
nope
Output for 5.1.3, 5.1.6 - 5.2.1, 5.2.12, 5.4.12, 5.4.17, 5.4.21, 5.4.23, hhvm-3.12.0, 7.0.0, 7.0.4
matched
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.0.5, 5.4.43 - 5.4.45

Process exited with code 137.
Output for 5.3.3, 5.3.8, 5.3.27, 5.3.29
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 2 bytes) in /in/BSmTR on line 6
Process exited with code 255.
Output for 5.3.2, 5.3.15 - 5.3.16, 5.3.19, 5.3.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 63 bytes) in /in/BSmTR on line 3
Process exited with code 255.
Output for 5.3.1, 5.3.5, 5.3.9, 5.3.11 - 5.3.12, 5.3.18, 5.3.20 - 5.3.23, 5.3.25 - 5.3.26
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/BSmTR on line 6
Process exited with code 255.
Output for 5.3.7, 5.3.24
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 75 bytes) in /in/BSmTR on line 18
Process exited with code 255.
Output for 5.3.4, 5.3.10, 5.3.17
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 77 bytes) in /in/BSmTR on line 16
Process exited with code 255.
Output for 5.3.0, 5.3.14
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 71 bytes) in /in/BSmTR on line 15
Process exited with code 255.
Output for 5.3.13
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 72 bytes) in /in/BSmTR on line 16
Process exited with code 255.
Output for 5.3.6
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 17 bytes) in /in/BSmTR on line 6
Process exited with code 255.