3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array ( '1' => array(['Price'] => 1), '2' => array(['Size'] => 7), '3' => array(['Type'] => 2) ); $result = call_user_func_array('array_merge', $arr); print_r($result);

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)
5.6.280.0000.07720.90
5.6.210.0000.04320.72
5.6.200.0130.04718.21
5.6.190.0000.09020.39
5.6.180.0370.04720.57
5.6.170.0230.04320.51
5.6.160.0070.06320.76
5.6.150.0070.07318.15
5.6.140.0100.03318.18
5.6.130.0000.06318.08
5.6.120.0000.05721.13
5.6.110.0200.06720.96
5.6.100.0030.07720.97
5.6.90.0030.08720.96
5.6.80.0070.07720.42
5.5.350.0200.04020.44
5.5.340.0130.05318.02
5.5.330.0070.06720.57
5.5.320.0170.04320.29
5.5.310.0100.04720.18
5.5.300.0030.07717.89
5.5.290.0000.04317.88
5.5.280.0030.04020.64
5.5.270.0230.06720.75
5.5.260.0070.05020.96
5.5.250.0100.07720.48
5.5.240.0200.06020.18
5.4.450.0230.04319.49
5.4.440.0330.03719.59
5.4.430.0200.04019.25
5.4.420.0170.04019.52
5.4.410.0330.02719.08
5.4.400.0270.03719.07
5.4.390.0270.03719.17
5.4.380.0370.07019.17
5.4.370.0270.03719.11
5.4.360.0370.06719.26
5.4.350.0430.05319.26
5.4.340.0270.03319.16
5.4.320.0400.06718.88
5.4.310.0370.06319.13
5.4.300.0430.04319.26
5.4.290.0470.06318.98
5.4.280.0270.05319.17
5.4.270.0300.05319.12
5.4.260.0230.05319.13
5.4.250.0230.05019.01
5.4.240.0430.07018.88
5.4.230.0430.06318.88
5.4.220.0300.04018.86
5.4.210.0270.03718.86
5.4.200.0330.06018.86
5.4.190.0370.07018.98
5.4.180.0330.08019.19
5.4.170.0300.04318.98
5.4.160.0470.06318.98
5.4.150.0300.04318.90
5.4.140.0430.06316.36
5.4.130.0300.03716.22
5.4.120.0470.06316.33
5.4.110.0330.04316.47
5.4.100.0470.04316.35
5.4.90.0370.04016.48
5.4.80.0300.07316.45
5.4.70.0300.04016.44
5.4.60.0400.05016.15
5.4.50.0400.07016.43
5.4.40.0270.04316.54
5.4.30.0300.03716.40
5.4.20.0300.06316.11
5.4.10.0300.04016.47
5.4.00.0330.03315.61
5.3.280.0300.04714.41
5.3.270.0370.04714.40
5.3.260.0400.04314.55
5.3.250.0400.04314.70
5.3.240.0400.04014.58
5.3.230.0330.06014.50
5.3.220.0470.03014.36
5.3.210.0470.06014.45
5.3.200.0470.04714.51
5.3.190.0300.04714.51
5.3.180.0300.04714.58
5.3.170.0400.07014.50
5.3.160.0400.05014.52
5.3.150.0270.04014.51
5.3.140.0370.06314.52
5.3.130.0430.06014.48
5.3.120.0270.04314.37
5.3.110.0370.06014.47
5.3.100.0400.06014.05
5.3.90.0330.06013.90
5.3.80.0330.07013.83
5.3.70.0300.07013.94
5.3.60.0400.06313.98
5.3.50.0400.06013.96
5.3.40.0230.03713.88
5.3.30.0300.05314.00
5.3.20.0370.06313.63
5.3.10.0370.06713.68
5.3.00.0370.07013.56
5.2.170.0300.05311.00
5.2.160.0230.03311.08
5.2.150.0330.05711.09
5.2.140.0230.02710.96
5.2.130.0300.05311.00
5.2.120.0370.05311.11
5.2.110.0230.03711.00
5.2.100.0330.05311.18
5.2.90.0430.05011.09
5.2.80.0370.05311.07
5.2.70.0330.05311.07
5.2.60.0330.06011.11
5.2.50.0400.03010.95
5.2.40.0270.05310.93
5.2.30.0330.05310.94
5.2.20.0270.05710.95
5.2.10.0270.03710.76
5.2.00.0270.06010.56
5.1.60.0200.03710.01
5.1.50.0300.0509.96
5.1.40.0370.0379.95
5.1.30.0270.04010.34
5.1.20.0330.04710.38
5.1.10.0200.04010.07
5.1.00.0270.0439.97
5.0.50.0130.0478.53
5.0.40.0100.0378.56
5.0.30.0170.0338.23
5.0.20.0200.0338.10
5.0.10.0170.0378.20
5.0.00.0100.0338.05
4.4.90.0170.0337.72
4.4.80.0070.0237.72
4.4.70.0100.0307.72
4.4.60.0170.0277.72
4.4.50.0200.0307.72
4.4.40.0130.0437.72
4.4.30.0130.0177.72
4.4.20.0170.0277.72
4.4.10.0100.0207.72
4.4.00.0170.0477.72
4.3.110.0130.0177.72
4.3.100.0100.0237.72
4.3.90.0170.0337.72
4.3.80.0170.0307.72
4.3.70.0170.0107.72
4.3.60.0100.0177.72
4.3.50.0200.0277.72
4.3.40.0170.0477.72
4.3.30.0070.0337.72
4.3.20.0030.0307.72
4.3.10.0070.0237.72
4.3.00.0070.0377.72

preferences:
144.16 ms | 1394 KiB | 7 Q