3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "hello"; $string[10] = $string[10]; echo $string;

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)
8.3.60.0100.01318.43
8.3.50.0110.01221.92
8.3.40.0100.01018.60
8.3.30.0170.00018.77
8.3.20.0100.00618.64
8.3.10.0000.00821.12
8.3.00.0070.00023.66
8.2.180.0070.01416.50
8.2.170.0100.00722.96
8.2.160.0070.01021.05
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0060.01226.16
8.2.120.0040.00419.77
8.2.110.0000.00920.39
8.2.100.0120.00017.60
8.2.90.0080.00018.22
8.2.80.0070.00017.97
8.2.70.0030.00517.47
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0070.00018.16
8.2.30.0000.00821.20
8.2.20.0070.00017.65
8.2.10.0040.00417.78
8.2.00.0030.00617.77
8.1.280.0120.00325.92
8.1.270.0070.01123.99
8.1.260.0080.00026.35
8.1.250.0080.00828.09
8.1.240.0090.00022.01
8.1.230.0070.00321.04
8.1.220.0080.00017.79
8.1.210.0040.00419.04
8.1.200.0000.00917.35
8.1.190.0000.00717.65
8.1.180.0100.00018.10
8.1.170.0090.00018.70
8.1.160.0040.00418.93
8.1.150.0000.00818.68
8.1.140.0050.00317.40
8.1.130.0070.00017.83
8.1.120.0100.00017.32
8.1.110.0000.00817.48
8.1.100.0000.00717.48
8.1.90.0050.00217.30
8.1.80.0040.00417.48
8.1.70.0000.00717.41
8.1.60.0000.00817.56
8.1.50.0000.00817.45
8.1.40.0060.00617.46
8.1.30.0000.00717.61
8.1.20.0040.00417.66
8.1.10.0040.00417.60
8.1.00.0040.00417.41
8.0.300.0020.00520.09
8.0.290.0050.00317.05
8.0.280.0030.00318.43
8.0.270.0000.00717.20
8.0.260.0000.00716.89
8.0.250.0070.00016.99
8.0.240.0080.00017.00
8.0.230.0000.00716.88
8.0.220.0030.00316.97
8.0.210.0040.00416.96
8.0.200.0070.00016.91
8.0.190.0000.00817.05
8.0.180.0000.00816.95
8.0.170.0040.00416.97
8.0.160.0070.00016.78
8.0.150.0000.00716.90
8.0.140.0060.00316.76
8.0.130.0030.00313.46
8.0.120.0040.00416.94
8.0.110.0000.00816.93
8.0.100.0000.00916.93
8.0.90.0070.00016.96
8.0.80.0040.01116.91
8.0.70.0040.00416.96
8.0.60.0040.00416.94
8.0.50.0060.00316.91
8.0.30.0100.01017.18
8.0.20.0100.01017.40
8.0.10.0040.00416.93
8.0.00.0090.01116.71
7.4.330.0000.00514.70
7.4.320.0030.00316.39
7.4.300.0040.00416.50
7.4.290.0040.00416.50
7.4.280.0000.00716.48
7.4.270.0030.00316.60
7.4.260.0050.00013.25
7.4.250.0040.00416.47
7.4.240.0000.00716.48
7.4.230.0030.00316.66
7.4.220.0120.01216.41
7.4.210.0060.00816.53
7.4.200.0070.00016.61
7.4.190.0000.00816.39
7.4.160.0030.01316.50
7.4.150.0180.00017.40
7.4.140.0150.00817.86
7.4.130.0100.00916.57
7.4.120.0080.00916.44
7.4.110.0050.01116.45
7.4.100.0070.01016.57
7.4.90.0100.01016.61
7.4.80.0100.00619.39
7.4.70.0110.00716.43
7.4.60.0090.01316.54
7.4.50.0030.00616.19
7.4.40.0060.01122.52
7.4.30.0100.01016.58
7.4.00.0100.00314.89
7.3.330.0000.00413.22
7.3.320.0080.00413.09
7.3.310.0040.00416.22
7.3.300.0000.00716.39
7.3.290.0070.01116.38
7.3.280.0080.00916.40
7.3.270.0140.00317.40
7.3.260.0170.00618.24
7.3.250.0100.00916.42
7.3.240.0070.01016.57
7.3.230.0170.00716.48
7.3.210.0100.00716.27
7.3.200.0080.01119.39
7.3.190.0130.00316.57
7.3.180.0070.01016.37
7.3.170.0090.00616.27
7.3.160.0070.01016.37
7.3.120.0070.01014.68
7.3.10.0030.00816.80
7.3.00.0070.00716.82
7.2.330.0120.00616.69
7.2.320.0110.00816.29
7.2.310.0120.00916.67
7.2.300.0110.00616.46
7.2.290.0090.00816.60
7.2.130.0050.01116.66
7.2.120.0080.00316.89
7.2.110.0000.01117.04
7.2.100.0060.01017.02
7.2.90.0080.00716.92
7.2.80.0050.00816.84
7.2.70.0060.00717.06
7.2.60.0050.00916.91
7.2.50.0050.00716.78
7.2.40.0050.00816.85
7.2.30.0070.00417.01
7.2.20.0090.00516.94
7.2.10.0070.00816.79
7.2.00.0060.00817.80
7.1.250.0070.00515.64
7.1.200.0000.00915.59
7.1.100.0060.00817.94
7.1.70.0070.00317.00
7.1.60.0110.00719.40
7.1.50.0270.01034.41
7.1.00.0000.03722.31
7.0.200.0070.00314.71
7.0.140.0030.07321.95
7.0.60.0170.07019.93
7.0.50.0070.05017.77
7.0.40.0070.08020.21
7.0.30.0270.07020.13
7.0.20.0200.04720.21
7.0.10.0230.08020.11
7.0.00.0070.04020.30
5.6.280.0100.06321.06
5.6.210.0130.07720.46
5.6.200.0030.04018.21
5.6.190.0100.05720.43
5.6.180.0270.08020.27
5.6.170.0270.07720.40
5.6.160.0000.05720.49
5.6.150.0030.08018.21
5.6.140.0130.07718.14
5.6.130.0130.07018.22
5.6.120.0100.05721.04
5.6.110.0130.06321.11
5.6.100.0000.08321.02
5.6.90.0070.07721.12
5.6.80.0100.06720.27
5.6.70.2800.03020.35
5.5.350.0300.07320.40
5.5.340.0030.09017.90
5.5.330.0070.08020.21
5.5.320.0230.07720.29
5.5.310.0300.07320.17
5.5.300.0070.04018.00
5.5.290.0030.04017.91
5.5.280.0000.04320.79
5.5.270.0100.03320.78
5.5.260.0030.05720.86
5.5.250.0000.07720.68
5.5.240.0130.07020.25
5.4.450.0130.04319.43
5.4.440.0270.07719.57
5.4.430.0270.06719.56
5.4.420.0300.02719.40
5.4.410.0270.07019.00
5.4.400.0230.07019.10
5.4.390.0300.06718.93
5.4.380.0370.05719.16
5.4.370.0270.06719.13
5.4.360.0230.07318.92
5.4.350.0270.04319.22
5.4.340.0200.05719.24
5.4.320.0230.05719.08
5.4.310.0330.06719.22
5.4.300.0300.06319.08
5.4.290.0330.06719.23
5.4.280.0230.07018.80
5.4.270.0270.03719.16
5.4.260.0270.06719.09
5.4.250.0200.05318.82
5.4.240.0170.04719.12
5.4.230.0170.05019.23
5.4.220.0270.06018.78
5.4.210.0200.06319.24
5.4.200.0200.04719.07
5.4.190.0200.06718.91
5.4.180.0330.07018.80
5.4.170.0170.04718.79
5.4.160.0200.05319.11
5.4.150.0200.03719.07
5.4.140.0300.04016.38
5.4.130.0230.06016.45
5.4.120.0200.05716.33
5.4.110.0270.04016.06
5.4.100.0230.05316.41
5.4.90.0170.05016.39
5.4.80.0270.03716.38
5.4.70.0300.06316.37
5.4.60.0300.05316.28
5.4.50.0170.07316.28
5.4.40.0200.05016.36
5.4.30.0330.05316.17
5.4.20.0230.07016.03
5.4.10.0230.05316.38
5.4.00.0300.06015.63
5.3.290.0230.03714.51
5.3.280.0170.04014.46
5.3.270.0230.05314.48
5.3.260.0200.07714.50
5.3.250.0330.05314.46
5.3.240.0230.07014.45
5.3.230.0270.05714.62
5.3.220.0270.05014.54
5.3.210.0200.06014.65
5.3.200.0270.06014.55
5.3.190.0200.03714.39
5.3.180.0330.05014.42
5.3.170.0230.07014.49
5.3.160.0170.06314.41
5.3.150.0270.07014.42
5.3.140.0200.05714.50
5.3.130.0300.04014.40
5.3.120.0200.07014.47
5.3.110.0230.04714.42
5.3.100.0270.05313.99
5.3.90.0200.08013.87
5.3.80.0270.04013.86
5.3.70.0200.04313.95
5.3.60.0270.07014.05
5.3.50.0200.05013.89
5.3.40.0230.07013.79
5.3.30.0270.06313.81
5.3.20.0300.06313.53
5.3.10.0270.07013.60
5.3.00.0270.06013.58
5.2.170.0170.04311.93
5.2.160.0200.06011.93
5.2.150.0100.04711.93
5.2.140.0170.06311.93
5.2.130.0270.02311.93
5.2.120.0230.03011.93
5.2.110.0200.04311.93
5.2.100.0200.05311.93
5.2.90.0200.04011.93
5.2.80.0170.03711.93
5.2.70.0300.03711.93
5.2.60.0230.04011.93
5.2.50.0170.04711.93
5.2.40.0170.03311.93
5.2.30.0170.06011.93
5.2.20.0130.05711.93
5.2.10.0130.05711.93
5.2.00.0130.06011.93
5.1.60.0200.03311.93
5.1.50.0130.05711.93
5.1.40.0100.04011.93
5.1.30.0100.04711.93
5.1.20.0130.02711.93
5.1.10.0170.04011.93
5.1.00.0170.04311.93
5.0.50.0100.04311.93
5.0.40.0100.04311.93
5.0.30.0030.04711.93
5.0.20.0070.04011.93
5.0.10.0100.03011.93
5.0.00.0100.04311.93
4.4.90.0070.03311.93
4.4.80.0170.01311.93
4.4.70.0070.03311.93
4.4.60.0100.03711.93
4.4.50.0100.03311.93
4.4.40.0100.04011.93
4.4.30.0100.02011.93
4.4.20.0130.03011.93
4.4.10.0070.03711.93
4.4.00.0070.05311.93
4.3.110.0030.03011.93
4.3.100.0070.02011.93
4.3.90.0070.03711.93
4.3.80.0130.05011.93
4.3.70.0100.02311.93
4.3.60.0100.02011.93
4.3.50.0100.02711.93
4.3.40.0100.03711.93
4.3.30.0030.02711.93
4.3.20.0030.02711.93
4.3.10.0000.03311.93
4.3.00.0030.02711.93

preferences:
52.65 ms | 401 KiB | 5 Q