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<?php $string = 'this is a string'; // Test 1 if (isset($string['check'][0])) { echo 'found'; } else { echo 'not found'; } echo '<hr />'; // Test 2 if (isset($string[0])) { echo 'found'; } else { echo 'not found'; } echo '<hr />'; // Test 3 if (isset($string['check'])) { echo 'found'; } else { echo 'not found'; } echo '<hr />'; // Test 4 if (isset($string['check'][100])) { echo 'found'; } else { echo 'not found'; } echo '<hr />'; var_dump($string['check'][0]); // Warning throw out
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
not found<hr />found<hr />not found<hr />not found<hr /> Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/Rkuvv:41 Stack trace: #0 {main} thrown in /in/Rkuvv on line 41
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
not found<hr />found<hr />not found<hr />not found<hr /> Warning: Illegal string offset 'check' in /in/Rkuvv on line 41 string(1) "t"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
found<hr />found<hr />not found<hr />not found<hr /> Warning: Illegal string offset 'check' in /in/Rkuvv on line 41 string(1) "t"
Output for 5.0.3 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
not found<hr />found<hr />found<hr />not found<hr /> Fatal error: Cannot use string offset as an array in /in/Rkuvv on line 41
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/Rkuvv on line 41
Process exited with code 255.
Output for 5.0.0 - 5.0.2
not found<hr />found<hr />not found<hr />not found<hr /> Fatal error: Cannot use string offset as an array in /in/Rkuvv on line 41
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
not found<hr />found<hr />found<hr />not found<hr />NULL
preferences:
220.01 ms | 402 KiB | 358 Q