3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a['test'] = array(1,2); $b[0] = 3; $a['test'] = $b[0]; $c = $a; $c['test'][1] = 3; print_r($a); print_r($b); print_r($c);

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)
8.3.70.0150.00618.65
8.3.60.0090.00618.68
8.3.50.0120.00721.15
8.3.40.0180.00018.92
8.3.30.0030.01020.20
8.3.20.0080.00020.21
8.3.10.0040.00421.94
8.3.00.0050.00322.34
8.2.190.0160.00316.75
8.2.180.0000.01516.75
8.2.170.0100.00322.96
8.2.160.0070.00720.44
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0140.00426.16
8.2.120.0080.00019.66
8.2.110.0030.00721.07
8.2.100.0120.00017.66
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0060.00619.66
8.2.50.0000.00818.07
8.2.40.0030.00619.88
8.2.30.0000.00817.94
8.2.20.0040.00417.71
8.2.10.0090.00017.84
8.2.00.0040.00417.66
8.1.280.0040.01125.92
8.1.270.0000.00824.66
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0060.00322.14
8.1.230.0090.00319.00
8.1.220.0000.00817.74
8.1.210.0050.00518.77
8.1.200.0070.00417.35
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0050.00320.31
8.1.160.0050.00321.95
8.1.150.0050.00318.48
8.1.140.0040.00417.30
8.1.130.0000.00817.74
8.1.120.0070.00417.31
8.1.110.0040.00417.27
8.1.100.0000.00717.43
8.1.90.0000.00717.29
8.1.80.0040.00417.40
8.1.70.0000.00817.25
8.1.60.0060.00317.45
8.1.50.0050.00217.53
8.1.40.0000.00917.46
8.1.30.0090.00017.58
8.1.20.0030.00617.70
8.1.10.0070.00017.61
8.1.00.0040.00417.43
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0030.00318.29
8.0.270.0030.00517.20
8.0.260.0060.00016.75
8.0.250.0030.00317.01
8.0.240.0090.00016.98
8.0.230.0030.00316.84
8.0.220.0040.00416.76
8.0.210.0000.00716.78
8.0.200.0000.00616.93
8.0.190.0030.00316.94
8.0.180.0040.00416.92
8.0.170.0050.00316.91
8.0.160.0000.00716.95
8.0.150.0030.00316.83
8.0.140.0000.00716.87
8.0.130.0030.00313.35
8.0.120.0030.00516.74
8.0.110.0050.00316.78
8.0.100.0060.00316.88
8.0.90.0040.00416.76
8.0.80.0140.01116.89
8.0.70.0040.00416.80
8.0.60.0040.00416.91
8.0.50.0000.00816.93
8.0.30.0140.00516.87
8.0.20.0110.00717.40
8.0.10.0000.00716.85
8.0.00.0050.01316.66
7.4.330.0050.00015.00
7.4.320.0000.00616.46
7.4.300.0060.00016.48
7.4.290.0040.00416.57
7.4.280.0040.00416.33
7.4.270.0030.00316.46
7.4.260.0080.00016.41
7.4.250.0050.00216.48
7.4.240.0050.00216.54
7.4.230.0000.00716.56
7.4.220.0090.00916.52
7.4.210.0090.00516.45
7.4.200.0030.00316.53
7.4.190.0030.00316.51
7.4.160.0030.01316.55
7.4.150.0100.00717.40
7.4.140.0070.01217.86
7.4.130.0070.01016.46
7.4.120.0100.00816.46
7.4.110.0100.00716.43
7.4.100.0100.01016.42
7.4.90.0070.01016.41
7.4.80.0170.00419.39
7.4.70.0060.01016.53
7.4.60.0060.01016.37
7.4.50.0040.00416.28
7.4.40.0110.00722.77
7.4.30.0130.00416.62
7.4.00.0100.00614.82
7.3.330.0060.00013.20
7.3.320.0000.00513.10
7.3.310.0000.00716.03
7.3.300.0060.00016.25
7.3.290.0030.01016.21
7.3.280.0070.00716.37
7.3.270.0140.00317.40
7.3.260.0090.00816.23
7.3.250.0110.00916.53
7.3.240.0060.00916.43
7.3.230.0100.00616.43
7.3.210.0090.00616.32
7.3.200.0120.00616.59
7.3.190.0120.00916.42
7.3.180.0030.01316.45
7.3.170.0060.00916.29
7.3.160.0090.00916.44
7.3.120.0120.00014.85
7.2.330.0160.00616.54
7.2.320.0030.01616.62
7.2.310.0100.00616.27
7.2.300.0100.00616.38
7.2.290.0100.01016.30
7.2.60.0130.00016.71
7.1.200.0040.01215.55
7.1.100.0040.00817.98
7.1.70.0080.00017.32
7.1.60.0070.01819.29
7.1.50.0070.01717.07
7.1.00.0030.06022.40
7.0.200.0480.00714.57
7.0.140.0000.07322.08
7.0.60.0100.07720.02
7.0.50.0100.07017.89
7.0.40.0030.04720.29
7.0.30.0270.04020.09
7.0.20.0230.05720.21
7.0.10.0270.08020.17
7.0.00.0030.09320.22
5.6.280.0100.06720.90
5.6.210.0130.07720.56
5.6.200.0030.06718.18
5.6.190.0070.09020.59
5.6.180.0230.06320.77
5.6.170.0300.06020.57
5.6.160.0000.06020.54
5.6.150.0100.05018.27
5.6.140.0130.07718.18
5.6.130.0070.03718.18
5.6.120.0100.08321.01
5.6.110.0070.04021.13
5.6.100.0070.09720.97
5.6.90.0070.07021.00
5.6.80.0130.06720.52
5.6.70.0200.06020.36
5.5.350.0100.08320.42
5.5.340.0070.06718.01
5.5.330.0130.06020.27
5.5.320.0130.04320.27
5.5.310.0270.05320.34
5.5.300.0000.04318.03
5.5.290.0170.07317.98
5.5.280.0070.08720.79
5.5.270.0030.08720.83
5.5.260.0030.08020.95
5.5.250.0030.07320.58
5.5.240.0030.07020.34
5.4.450.0670.06319.63
5.4.440.0830.05719.20
5.4.430.0670.06319.54
5.4.420.0730.06019.30
5.4.410.0130.05019.51
5.4.400.0670.05718.54
5.4.390.0470.06718.78
5.4.380.0200.05318.61
5.4.370.0100.05718.84
5.4.360.0270.03718.82
5.4.350.0100.04812.00
5.4.340.0090.03812.00
5.4.320.0080.04612.48
5.4.310.0070.04312.48
5.4.300.0100.03312.48
5.4.290.0060.04112.47
5.4.280.0100.03312.38
5.4.270.0070.04312.38
5.4.260.0110.03612.37
5.4.250.0170.05018.92
5.4.240.0070.05018.99
5.4.230.0030.05318.73
5.4.220.0170.05018.90
5.4.210.0130.07018.71
5.4.200.0070.05318.80
5.4.190.0070.05018.59
5.4.180.0030.05319.05
5.4.170.0070.05018.76
5.4.160.0030.05318.95
5.4.150.0070.06718.71
5.4.140.0070.05016.43
5.4.130.0130.04316.30
5.4.120.0070.07316.39
5.4.110.0000.05716.48
5.4.100.0070.06716.35
5.4.90.0070.05716.29
5.4.80.0000.05716.44
5.4.70.0030.05716.36
5.4.60.0070.05716.59
5.4.50.0070.07316.59
5.4.40.0130.04316.50
5.4.30.0000.06016.42
5.4.20.0070.04716.55
5.4.10.0000.05716.43
5.4.00.0100.04315.96
5.3.290.0030.04112.80
5.3.280.0130.04314.66
5.3.270.0070.05014.66
5.3.260.0000.05714.50
5.3.250.0130.04314.50
5.3.240.0030.05314.68
5.3.230.0030.05314.67
5.3.220.0070.05014.58
5.3.210.0130.05314.46
5.3.200.0070.05014.56
5.3.190.0130.06314.46
5.3.180.0030.05014.46
5.3.170.0100.06714.64
5.3.160.0100.05314.54
5.3.150.0000.06714.57
5.3.140.0130.05314.55
5.3.130.0130.05014.63
5.3.120.0030.05714.63
5.3.110.0170.04314.61
5.3.100.0030.05314.00
5.3.90.0170.04014.00
5.3.80.0000.05314.09
5.3.70.0130.05014.00
5.3.60.0030.07013.97
5.3.50.0070.05013.91
5.3.40.0170.06013.92
5.3.30.0130.06013.96
5.3.20.0100.04313.66
5.3.10.0130.04713.88
5.3.00.0200.05313.72
5.2.170.0070.05311.04
5.2.160.0100.06011.13
5.2.150.0030.04311.10
5.2.140.0100.03711.21
5.2.130.0130.05011.16
5.2.120.0200.03711.09
5.2.110.0070.04311.16
5.2.100.0030.04311.14
5.2.90.0000.04311.16
5.2.80.0070.04010.91
5.2.70.0130.05011.16
5.2.60.0000.05311.12
5.2.50.0100.03711.23
5.2.40.0000.04310.99
5.2.30.0070.05311.05
5.2.20.0000.04311.11
5.2.10.0070.04010.84
5.2.00.0130.05310.69
5.1.60.0030.0439.98
5.1.50.0030.03710.23
5.1.40.0070.03010.03
5.1.30.0200.03710.39
5.1.20.0030.03710.52
5.1.10.0070.03310.25
5.1.00.0070.04010.10
5.0.50.0030.0278.49
5.0.40.0000.0378.49
5.0.30.0030.0408.18
5.0.20.0000.0308.16
5.0.10.0100.0237.99
5.0.00.0000.0478.30
4.4.90.0070.0277.39
4.4.80.0000.0337.39
4.4.70.0000.0307.39
4.4.60.0070.0237.39
4.4.50.0070.0237.39
4.4.40.0000.0437.39
4.4.30.0030.0207.39
4.4.20.0030.0207.39
4.4.10.0030.0207.39
4.4.00.0000.0337.39
4.3.110.0030.0307.39
4.3.100.0030.0207.39
4.3.90.0070.0237.39
4.3.80.0030.0307.39
4.3.70.0070.0237.39
4.3.60.0000.0307.39
4.3.50.0000.0237.39
4.3.40.0030.0307.39
4.3.30.0000.0237.39
4.3.20.0100.0137.39
4.3.10.0000.0237.39
4.3.00.0200.0236.85

preferences:
48.11 ms | 401 KiB | 5 Q