3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( '@afoo' => 'something', '@abar' => 'something-else' ); $array = array_combine(str_replace('@a', '', array_keys($array)), $array); var_dump($array);

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)
8.3.60.0070.00718.30
8.3.50.0140.00722.05
8.3.40.0110.00318.80
8.3.30.0140.00019.07
8.3.20.0020.00520.34
8.3.10.0080.00021.64
8.3.00.0000.00819.03
8.2.180.0040.01116.38
8.2.170.0100.01022.96
8.2.160.0130.00022.12
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0110.00017.80
8.2.110.0000.00922.25
8.2.100.0000.01319.32
8.2.90.0070.00419.05
8.2.80.0040.00417.97
8.2.70.0060.00617.38
8.2.60.0040.00417.90
8.2.50.0060.00318.07
8.2.40.0000.00718.22
8.2.30.0000.00718.05
8.2.20.0020.00517.50
8.2.10.0040.00418.04
8.2.00.0040.00417.67
8.1.280.0100.01025.92
8.1.270.0000.00724.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0110.01123.72
8.1.230.0070.00419.04
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00617.23
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0030.00618.53
8.1.160.0040.00421.95
8.1.150.0000.00818.92
8.1.140.0000.00819.13
8.1.130.0030.00317.73
8.1.120.0000.00717.41
8.1.110.0080.00417.32
8.1.100.0040.00417.26
8.1.90.0000.00717.36
8.1.80.0000.00817.43
8.1.70.0000.00717.32
8.1.60.0000.00817.54
8.1.50.0110.00517.50
8.1.40.0020.00517.46
8.1.30.0060.00317.55
8.1.20.0070.00017.61
8.1.10.0080.00017.35
8.1.00.0040.00417.42
8.0.300.0070.00018.77
8.0.290.0060.00316.63
8.0.280.0000.00818.43
8.0.270.0000.00817.07
8.0.260.0000.00717.19
8.0.250.0030.00316.93
8.0.240.0000.00816.78
8.0.230.0080.00016.92
8.0.220.0050.00216.68
8.0.210.0040.00416.68
8.0.200.0030.00316.84
8.0.190.0040.00416.76
8.0.180.0000.00716.80
8.0.170.0000.00716.81
8.0.160.0000.00716.85
8.0.150.0000.00716.79
8.0.140.0000.00716.69
8.0.130.0070.00013.31
8.0.120.0000.00716.85
8.0.110.0050.00316.74
8.0.100.0070.00016.73
8.0.90.0000.00716.63
8.0.80.0100.00616.84
8.0.70.0050.00316.78
8.0.60.0070.00016.83
8.0.50.0070.00016.70
8.0.30.0140.00817.06
8.0.20.0070.01617.40
8.0.10.0000.00717.01
8.0.00.0120.00716.60
7.4.330.0020.00215.03
7.4.320.0000.00716.48
7.4.300.0030.00316.36
7.4.290.0000.00716.54
7.4.280.0040.00416.51
7.4.270.0030.00316.43
7.4.260.0030.00616.34
7.4.250.0000.00716.41
7.4.240.0030.00416.50
7.4.230.0030.00316.34
7.4.220.0030.01316.50
7.4.210.0140.00016.47
7.4.200.0070.00016.33
7.4.160.0070.01316.45
7.4.150.0060.01217.40
7.4.140.0140.00817.86
7.4.130.0050.01316.40
7.4.120.0070.01316.42
7.4.110.0030.01416.09
7.4.100.0060.01116.44
7.4.90.0060.01616.27
7.4.80.0130.00819.39
7.4.70.0100.01216.32
7.4.60.0110.00516.44
7.4.50.0030.00316.36
7.4.40.0060.01216.29
7.4.30.0060.01316.59
7.4.00.0040.01415.09
7.3.330.0060.00012.94
7.3.320.0050.00012.89
7.3.310.0050.00316.21
7.3.300.0000.00716.00
7.3.290.0060.00716.16
7.3.280.0080.01016.09
7.3.270.0090.00617.40
7.3.260.0040.01116.42
7.3.250.0120.00516.36
7.3.240.0110.00516.14
7.3.230.0110.01116.39
7.3.210.0060.01016.35
7.3.200.0110.00819.39
7.3.190.0030.01316.21
7.3.180.0140.00716.20
7.3.170.0040.01216.41
7.3.160.0030.01316.41
7.2.330.0030.01416.55
7.2.320.0050.01116.48
7.2.310.0100.00616.53
7.2.300.0120.00316.58
7.2.290.0060.01816.55
7.2.60.0060.00916.38
7.2.00.0090.00619.50
7.1.200.0090.00615.69
7.1.100.0000.01118.04
7.1.70.0060.00316.96
7.1.60.0070.01619.46
7.1.50.0090.01216.49
7.1.00.0100.07022.43
7.0.200.0050.00216.82
7.0.140.0000.03722.04
7.0.60.0070.06720.01
7.0.50.0100.07317.66
7.0.40.0070.04020.04
7.0.30.0270.07720.04
7.0.20.0370.07320.04
7.0.10.0030.05020.16
7.0.00.0100.04319.96
5.6.280.0070.07020.99
5.6.210.0100.05320.61
5.6.200.0130.08018.15
5.6.190.0070.06320.61
5.6.180.0430.06720.59
5.6.170.0270.08020.37
5.6.160.0030.04320.48
5.6.150.0100.08318.12
5.6.140.0100.05318.11
5.6.130.0070.03718.12
5.6.120.0100.08021.03
5.6.110.0000.05321.11
5.6.100.0070.04320.99
5.6.90.0030.08320.94
5.6.80.0100.07320.46
5.5.350.0200.04720.27
5.5.340.0070.07017.97
5.5.330.0070.08020.22
5.5.320.0330.07320.30
5.5.310.0230.06320.55
5.5.300.0100.03718.02
5.5.290.0030.04017.96
5.5.280.0030.09020.92
5.5.270.0300.05720.95
5.5.260.0070.05320.75
5.5.250.0130.07320.58
5.5.240.0030.04320.23
5.4.450.0600.05019.61
5.4.440.0630.06019.43
5.4.430.0070.05719.44
5.4.420.0170.05019.25
5.4.410.0170.04719.14
5.4.400.0170.04719.28
5.4.390.0130.06018.69
5.4.380.0230.05718.66
5.4.370.0200.05318.58
5.4.360.0230.05018.68
5.4.350.0200.06018.63
5.4.340.0200.05718.77
5.4.320.0170.05718.77
5.4.310.0200.06018.60
5.4.300.0230.05318.64
5.4.290.0230.07318.83
5.4.280.0330.06318.59
5.4.270.0230.05018.74
5.4.260.0200.05318.62
5.4.250.0230.05318.77
5.4.240.0100.06318.71
5.4.230.0300.04018.55
5.4.220.0300.04318.55
5.4.210.0170.05318.66
5.4.200.0070.06016.74
5.4.190.0170.05018.58
5.4.180.0170.05718.70
5.4.170.0100.06018.47
5.4.160.0270.04318.48
5.4.150.0170.05318.66
5.4.140.0130.05316.22
5.4.130.0100.05316.22
5.4.120.0230.04316.06
5.4.110.0230.04316.25
5.4.100.0230.04716.26
5.4.90.0170.05316.12
5.4.80.0270.04316.23
5.4.70.0200.05016.27
5.4.60.0230.04716.23
5.4.50.0230.04316.23
5.4.40.0230.04715.98
5.4.30.0330.05316.11
5.4.20.0230.05316.22
5.4.10.0270.05316.22
5.4.00.0100.05715.67
5.3.290.0200.05314.76
5.3.280.0170.05314.57
5.3.270.0200.05714.56
5.3.260.0270.04714.72
5.3.250.0130.06014.59
5.3.240.0230.04714.66
5.3.230.0200.05314.57
5.3.220.0130.05714.56
5.3.210.0200.05314.52
5.3.200.0130.05714.66
5.3.190.0200.05014.60
5.3.180.0130.05314.56
5.3.170.0170.05014.55
5.3.160.0200.05714.64
5.3.150.0170.05314.52
5.3.140.0230.05014.65
5.3.130.0230.04714.54
5.3.120.0200.05014.44
5.3.110.0270.04314.57
5.3.100.0070.06713.96
5.3.90.0230.04713.91
5.3.80.0170.05313.93
5.3.70.0270.04314.11
5.3.60.0170.05314.10
5.3.50.0230.04314.02
5.3.40.0170.05313.86
5.3.30.0270.04013.93
5.3.20.0230.04313.61
5.3.10.0200.04713.56
5.3.00.0130.05713.56
5.2.170.0100.04711.12
5.2.160.0130.04311.28
5.2.150.0230.03711.09
5.2.140.0200.03711.19
5.2.130.0170.03711.07
5.2.120.0100.04311.08
5.2.110.0170.04311.05
5.2.100.0230.03011.11
5.2.90.0130.04011.09
5.2.80.0100.04711.13
5.2.70.0130.04311.04
5.2.60.0170.04011.02
5.2.50.0200.03710.95
5.2.40.0130.04311.02
5.2.30.0130.04711.00
5.2.20.0200.03010.99
5.2.10.0130.03710.87
5.2.00.0130.04010.76
5.1.60.0100.0409.99
5.1.50.0130.0339.96
5.1.40.0170.03010.10
5.1.30.0130.03710.39
5.1.20.0170.03010.34
5.1.10.0100.03710.19
5.1.00.0130.03310.04
5.0.50.0030.0338.66
5.0.40.0170.0208.44
5.0.30.0100.0408.22
5.0.20.0170.0208.32
5.0.10.0130.0278.25
5.0.00.0070.0438.36
4.4.90.0070.0235.95
4.4.80.0070.0235.90
4.4.70.0130.0135.86
4.4.60.0030.0235.91
4.4.50.0030.0235.89
4.4.40.0070.0335.90
4.4.30.0030.0235.86
4.4.20.0100.0175.95
4.4.10.0030.0235.95
4.4.00.0070.0335.92
4.3.110.0030.0235.79
4.3.100.0070.0205.79
4.3.90.0100.0175.80
4.3.80.0030.0335.88
4.3.70.0030.0235.77
4.3.60.0070.0205.82
4.3.50.0030.0235.83
4.3.40.0070.0305.84
4.3.30.0000.0274.55
4.3.20.0030.0234.56
4.3.10.0000.0234.47
4.3.00.0170.0237.19

preferences:
49.59 ms | 401 KiB | 5 Q