3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('display_errors', 1); error_reporting(E_ALL); $db_results = array( array('cat' => 1, 'id' => 1], array('cat' => 1, 'id' => 2], array('cat' => 2, 'id' => 3], array('cat' => 1, 'id' => 4] ]; $category_map = []; foreach ( $db_results as $row ) { $category_map[ $row['cat'] ][ $row['id'] ] = $row; } print_r($category_map);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.270.0130.05018.94
5.4.260.0130.05718.97
5.4.250.0200.06018.97
5.4.240.0130.04718.71
5.4.230.0100.05718.91
5.4.220.0100.05718.71
5.4.210.0170.06719.04
5.4.200.0070.05319.04
5.4.190.0070.05318.90
5.4.180.0070.05018.98
5.4.170.0030.05718.88
5.4.160.0030.05718.92
5.4.150.0130.05318.87
5.4.140.0030.05716.56
5.4.130.0130.05716.61
5.4.120.0130.05016.39
5.4.110.0070.07016.42
5.4.100.0000.07316.49
5.4.90.0170.06316.50
5.4.80.0100.06716.45
5.4.70.0200.03716.38
5.4.60.0030.05716.30
5.4.50.0070.06016.38
5.4.40.0070.05716.54
5.4.30.0170.04016.36
5.4.20.0130.05316.38
5.4.10.0370.04716.37
5.4.00.0030.07315.82
5.3.280.0100.06314.61
5.3.270.0130.05314.61
5.3.260.0070.05714.60
5.3.250.0130.07014.45
5.3.240.0200.06014.75
5.3.230.0130.04314.37
5.3.220.0200.06314.44
5.3.210.0070.06714.71
5.3.200.0130.05314.57
5.3.190.0100.06314.34
5.3.180.0100.05314.61
5.3.170.0100.07314.56
5.3.160.0000.06014.58
5.3.150.0130.05314.58
5.3.140.0070.05014.44
5.3.130.0070.08014.39
5.3.120.0230.06314.40
5.3.110.0130.06714.55
5.3.100.0070.05014.06
5.3.90.0070.05714.04
5.3.80.0100.05013.72
5.3.70.0100.04713.91
5.3.60.0100.04714.02
5.3.50.0100.06313.84
5.3.40.0100.04713.80
5.3.30.0030.05313.91
5.3.20.0000.05713.70
5.3.10.0030.05313.59
5.3.00.0100.05313.51
5.2.170.0070.04311.29
5.2.160.0130.03311.15
5.2.150.0100.05311.18
5.2.140.0070.04711.05
5.2.130.0070.04011.20
5.2.120.0100.05010.98
5.2.110.0070.04311.12
5.2.100.0070.05711.00
5.2.90.0030.04011.11
5.2.80.0030.04711.00
5.2.70.0100.05710.85
5.2.60.0000.04311.21
5.2.50.0000.05711.11
5.2.40.0130.03710.76
5.2.30.0070.05010.81
5.2.20.0100.04310.95
5.2.10.0100.03310.86
5.2.00.0030.04310.82
5.1.60.0030.03310.02
5.1.50.0100.04310.15
5.1.40.0130.0279.93
5.1.30.0100.03310.31
5.1.20.0070.04710.43
5.1.10.0100.04010.13
5.1.00.0030.05010.02
5.0.50.0170.0208.48
5.0.40.0130.0208.44
5.0.30.0030.0438.28
5.0.20.0000.0308.02
5.0.10.0030.0438.25
5.0.00.0030.0508.14
4.4.90.0000.0336.79
4.4.80.0070.0276.79
4.4.70.0000.0276.79
4.4.60.0070.0176.79
4.4.50.0070.0276.79
4.4.40.0000.0506.79
4.4.30.0030.0236.78
4.4.20.0030.0276.68
4.4.10.0070.0236.25
4.4.00.0130.0276.17
4.3.110.0000.0236.17
4.3.100.0030.0206.17
4.3.90.0000.0276.17
4.3.80.0000.0376.17
4.3.70.0000.0236.17
4.3.60.0070.0236.17
4.3.50.0030.0206.17
4.3.40.0000.0376.17
4.3.30.0000.0236.17
4.3.20.0100.0236.17
4.3.10.0000.0336.17
4.3.00.0100.0236.50

preferences:
140.67 ms | 1386 KiB | 7 Q