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<?php function tg($T) { foreach ($T['i'] as $i) { $T['i'] = $i + 1; } $T['i'] = array_unique($T['i']); } tg(array(1, 1, 3, 5));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "i" in /in/T5eKD on line 4 Warning: foreach() argument must be of type array|object, null given in /in/T5eKD on line 4 Warning: Undefined array key "i" in /in/T5eKD on line 8 Fatal error: Uncaught TypeError: array_unique(): Argument #1 ($array) must be of type array, null given in /in/T5eKD:8 Stack trace: #0 /in/T5eKD(8): array_unique(NULL) #1 /in/T5eKD(11): tg(Array) #2 {main} thrown in /in/T5eKD on line 8
Process exited with code 255.

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