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<?php $messages = array( 'message1'=>array( 'type'=>'voice', 'call-id'=>'11', 'id'=>'message1' ), 'message2'=>array( 'type'=>'voice', 'call-id'=>'44', 'id'=>'message2' ), 'message3'=>array( 'type'=>'text', 'call-id'=>'44', 'id'=>'message3' ), 'message4'=>array( 'type'=>'text', 'call-id'=>'55', 'id'=>'message4' ), 'message5'=>array( 'type'=>'voice', 'call-id'=>'55', 'id'=>'message5' ), ); foreach ($messages as $message => $value) { $unique[$value['call-id']] = $value; // this will override the previous value with the same key if exists } $unique = usort($unique, "cmp"); print_r($unique); foreach ($unique as $key => $value) { $array[$value['id']] = $value; } echo '<pre>'; print_r($array); function cmp($a, $b) { return $a["call-id"] - $b["call-id"]; }
Output for 8.3.0 - 8.3.4, 8.3.6
1 Warning: foreach() argument must be of type array|object, true given in /in/blfIJ on line 40 <pre> Warning: Undefined variable $array in /in/blfIJ on line 45
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 1 Warning: foreach() argument must be of type array|object, true given in /in/blfIJ on line 40 <pre> Warning: Undefined variable $array in /in/blfIJ on line 45
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
1 Warning: foreach() argument must be of type array|object, bool given in /in/blfIJ on line 40 <pre> Warning: Undefined variable $array in /in/blfIJ on line 45
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
1 Warning: Invalid argument supplied for foreach() in /in/blfIJ on line 40 <pre> Notice: Undefined variable: array in /in/blfIJ on line 45
Output for 7.3.32 - 7.3.33
1 Warning: Invalid argument supplied for foreach() in /in/blfIJ on line 40 <pre>
preferences:
236.78 ms | 401 KiB | 291 Q