3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a['test'] = array(1,2); $a['test'] = $b[0]; $b[0] = 3; $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)
8.3.60.0110.00418.53
8.3.50.0150.00521.21
8.3.40.0090.00918.92
8.3.30.0110.00320.17
8.3.20.0000.00720.34
8.3.10.0050.00322.14
8.3.00.0050.00322.40
8.2.180.0060.00918.31
8.2.170.0000.01422.96
8.2.160.0100.00322.12
8.2.150.0090.00024.18
8.2.140.0000.01524.66
8.2.130.0000.00726.16
8.2.120.0000.00719.79
8.2.110.0090.00021.11
8.2.100.0060.00617.75
8.2.90.0000.00919.27
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0040.00917.43
8.2.50.0000.00918.07
8.2.40.0030.00519.78
8.2.30.0000.00817.93
8.2.20.0040.00417.82
8.2.10.0040.00417.74
8.2.00.0050.00217.79
8.1.280.0140.00325.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0060.00617.66
8.1.220.0070.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0000.00820.29
8.1.160.0050.00221.94
8.1.150.0000.00818.58
8.1.140.0070.00017.39
8.1.130.0030.00317.79
8.1.120.0000.01017.36
8.1.110.0040.00417.26
8.1.100.0050.00317.39
8.1.90.0000.00717.38
8.1.80.0040.00417.43
8.1.70.0030.00317.30
8.1.60.0000.00817.53
8.1.50.0040.00417.50
8.1.40.0030.00517.35
8.1.30.0040.00417.55
8.1.20.0030.00517.52
8.1.10.0000.00717.60
8.1.00.0030.00617.41
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.29
8.0.270.0070.00017.20
8.0.260.0030.00316.76
8.0.250.0070.00016.91
8.0.240.0030.00616.86
8.0.230.0030.00316.88
8.0.220.0040.00416.89
8.0.210.0080.00016.87
8.0.200.0030.00316.88
8.0.190.0000.00716.98
8.0.180.0000.00716.93
8.0.170.0050.00216.80
8.0.160.0050.00316.92
8.0.150.0070.00016.88
8.0.140.0070.00016.87
8.0.130.0030.00313.31
8.0.120.0040.00416.73
8.0.110.0030.00516.77
8.0.100.0070.00016.94
8.0.90.0040.00416.94
8.0.80.0090.00616.80
8.0.70.0000.00716.89
8.0.60.0040.00416.76
8.0.50.0040.00416.92
8.0.30.0130.00617.17
8.0.20.0150.00717.40
8.0.10.0030.00517.00
8.0.00.0100.01016.69
7.4.330.0060.00015.00
7.4.320.0060.00016.57
7.4.300.0070.00016.54
7.4.290.0030.00616.49
7.4.280.0060.00016.28
7.4.270.0030.00316.54
7.4.260.0030.00316.44
7.4.250.0000.00816.31
7.4.240.0020.00516.43
7.4.230.0060.00016.35
7.4.220.0060.01216.51
7.4.210.0070.00816.49
7.4.200.0070.00016.63
7.4.190.0000.00716.57
7.4.160.0040.01216.46
7.4.150.0100.01017.40
7.4.140.0090.00817.86
7.4.130.0100.00716.39
7.4.120.0140.00816.36
7.4.110.0100.00716.50
7.4.100.0090.01516.72
7.4.90.0070.01116.59
7.4.80.0070.01019.39
7.4.70.0070.01016.68
7.4.60.0090.01316.29
7.4.50.0000.00516.24
7.4.40.0030.00922.77
7.4.30.0090.00916.43
7.4.00.0140.00015.00
7.3.330.0000.00513.15
7.3.320.0030.00313.24
7.3.310.0040.00416.14
7.3.300.0000.00616.25
7.3.290.0030.01016.29
7.3.280.0050.01116.31
7.3.270.0100.00617.40
7.3.260.0140.00516.63
7.3.250.0100.00916.31
7.3.240.0030.01316.21
7.3.230.0140.00616.39
7.3.210.0090.00916.31
7.3.200.0060.01119.39
7.3.190.0120.00916.17
7.3.180.0120.00616.29
7.3.170.0110.00716.27
7.3.160.0040.01216.32
7.3.120.0110.00315.06
7.2.330.0110.01116.46
7.2.320.0090.01116.61
7.2.310.0090.00916.64
7.2.300.0100.00716.62
7.2.290.0030.01416.46
7.2.00.0060.01019.29
7.1.100.0030.01318.11
7.1.70.0040.00417.02
7.1.60.0030.02019.29
7.1.50.0070.01716.89
7.1.00.0100.04722.54
7.0.200.0510.00614.85
7.0.140.0030.07322.08
7.0.60.0200.07319.95
7.0.50.0130.04317.73
7.0.40.0030.05320.06
7.0.30.0370.06320.10
7.0.20.0130.05320.19
7.0.10.0070.08020.28
7.0.00.0170.07320.20
5.6.280.0030.07720.88
5.6.210.0130.07020.50
5.6.200.0070.05718.12
5.6.190.0130.08020.41
5.6.180.0270.05720.57
5.6.170.0230.07020.55
5.6.160.0000.07020.54
5.6.150.0070.08318.23
5.6.140.0230.06318.17
5.6.130.0000.06318.21
5.6.120.0030.05320.98
5.6.110.0070.07020.96
5.6.100.0030.06020.96
5.6.90.0070.08721.01
5.6.80.0070.08320.37
5.6.70.4470.04020.38
5.5.350.0130.05720.34
5.5.340.0070.07718.07
5.5.330.0030.06320.40
5.5.320.0300.07020.35
5.5.310.0170.04720.25
5.5.300.0070.07017.96
5.5.290.0130.07317.98
5.5.280.0030.09020.85
5.5.270.0030.09020.83
5.5.260.0070.07720.64
5.5.250.0070.08020.68
5.5.240.0330.07020.14
5.4.450.0830.05019.16
5.4.440.0630.05719.46
5.4.430.0870.05019.19
5.4.420.0870.06319.33
5.4.410.1070.05019.48
5.4.400.0270.05318.81
5.4.390.0370.05718.84
5.4.380.0200.05718.55
5.4.370.0170.05018.50
5.4.360.0130.05018.52
5.4.350.0070.04112.00
5.4.340.0110.03812.00
5.4.320.0090.04012.48
5.4.310.0040.03912.47
5.4.300.0070.03412.48
5.4.290.0070.03812.48
5.4.280.0050.03612.38
5.4.270.0100.03612.38
5.4.260.0010.04212.37
5.4.250.0100.07718.62
5.4.240.0200.05718.96
5.4.230.0000.05718.96
5.4.220.0070.05018.93
5.4.210.0030.05318.80
5.4.200.0000.05718.91
5.4.190.0100.04719.08
5.4.180.0030.06018.90
5.4.170.0030.06018.95
5.4.160.0070.05718.61
5.4.150.0170.04718.95
5.4.140.0070.06016.52
5.4.130.0130.04316.39
5.4.120.0200.04016.58
5.4.110.0170.04316.40
5.4.100.0070.05316.52
5.4.90.0130.05716.33
5.4.80.0170.06316.46
5.4.70.0030.05716.46
5.4.60.0230.03316.43
5.4.50.0100.04316.45
5.4.40.0100.04716.35
5.4.30.0100.04716.45
5.4.20.0070.05016.37
5.4.10.0070.06316.43
5.4.00.0130.04315.75
5.3.290.0070.04012.80
5.3.280.0030.05314.55
5.3.270.0100.05014.69
5.3.260.0100.06314.73
5.3.250.0070.05314.60
5.3.240.0100.05014.58
5.3.230.0070.06314.68
5.3.220.0130.04714.64
5.3.210.0200.04314.39
5.3.200.0000.07314.56
5.3.190.0070.05314.55
5.3.180.0100.05014.38
5.3.170.0170.04314.54
5.3.160.0100.04714.69
5.3.150.0100.04714.73
5.3.140.0230.03314.38
5.3.130.0030.07714.54
5.3.120.0000.06014.72
5.3.110.0000.06014.52
5.3.100.0130.04314.25
5.3.90.0070.05013.99
5.3.80.0070.07013.99
5.3.70.0030.05314.17
5.3.60.0030.05714.15
5.3.50.0070.05313.94
5.3.40.0130.04714.02
5.3.30.0070.04713.96
5.3.20.0170.06013.90
5.3.10.0070.04713.71
5.3.00.0070.07313.63
5.2.170.0100.03711.12
5.2.160.0070.04011.36
5.2.150.0070.04011.20
5.2.140.0070.04011.10
5.2.130.0100.03711.25
5.2.120.0030.04311.18
5.2.110.0070.04011.08
5.2.100.0100.05311.16
5.2.90.0170.02710.92
5.2.80.0100.04311.16
5.2.70.0070.04011.15
5.2.60.0100.03711.26
5.2.50.0030.04310.99
5.2.40.0030.05310.95
5.2.30.0070.04011.14
5.2.20.0100.03711.02
5.2.10.0130.04010.84
5.2.00.0100.03710.77
5.1.60.0030.04710.03
5.1.50.0000.0409.99
5.1.40.0000.03710.07
5.1.30.0070.03310.31
5.1.20.0130.04710.43
5.1.10.0100.03310.03
5.1.00.0070.03310.05
5.0.50.0070.0278.69
5.0.40.0070.0338.49
5.0.30.0070.0438.27
5.0.20.0070.0308.10
5.0.10.0030.0278.11
5.0.00.0000.0538.10
4.4.90.0070.0307.39
4.4.80.0030.0207.39
4.4.70.0030.0207.39
4.4.60.0000.0237.39
4.4.50.0100.0237.39
4.4.40.0030.0377.39
4.4.30.0030.0207.39
4.4.20.0000.0237.39
4.4.10.0030.0207.39
4.4.00.0070.0407.39
4.3.110.0070.0207.39
4.3.100.0100.0207.39
4.3.90.0030.0207.39
4.3.80.0000.0337.39
4.3.70.0070.0237.39
4.3.60.0030.0207.39
4.3.50.0000.0237.39
4.3.40.0000.0377.39
4.3.30.0000.0237.39
4.3.20.0000.0237.39
4.3.10.0070.0177.39
4.3.00.0200.0236.84

preferences:
41.75 ms | 401 KiB | 5 Q