3v4l.org

run code in 300+ PHP versions simultaneously
<?php $code = '**x'; $index = stripos($code,'*'); echo $index; $code = str_replace('*','',$code); echo $code;

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)
8.3.60.0030.01018.55
8.3.50.0110.01121.86
8.3.40.0120.00318.58
8.3.30.0000.01720.17
8.3.20.0030.00520.12
8.3.10.0040.00421.95
8.3.00.0110.00422.47
8.2.180.0110.00716.38
8.2.170.0100.01022.96
8.2.160.0130.00020.32
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0050.00319.54
8.2.110.0040.00422.24
8.2.100.0080.00317.78
8.2.90.0000.00719.27
8.2.80.0050.00319.39
8.2.70.0040.00417.38
8.2.60.0000.00818.03
8.2.50.0000.00818.07
8.2.40.0000.00817.97
8.2.30.0040.00418.05
8.2.20.0080.00017.58
8.2.10.0070.00017.71
8.2.00.0060.00317.60
8.1.280.0070.01125.92
8.1.270.0000.00824.66
8.1.260.0040.00826.35
8.1.250.0050.00328.09
8.1.240.0030.01323.92
8.1.230.0070.00418.98
8.1.220.0000.00917.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00517.39
8.1.180.0080.00019.01
8.1.170.0040.00418.62
8.1.160.0030.00422.06
8.1.150.0040.00418.56
8.1.140.0000.00717.29
8.1.130.0030.00317.68
8.1.120.0030.00617.30
8.1.110.0040.00417.38
8.1.100.0070.00017.38
8.1.90.0000.00717.42
8.1.80.0000.00717.38
8.1.70.0040.00417.36
8.1.60.0000.00817.48
8.1.50.0040.00417.39
8.1.40.0050.00217.30
8.1.30.0040.00417.54
8.1.20.0040.00417.55
8.1.10.0000.00717.56
8.1.00.0060.00317.30
8.0.300.0070.00018.77
8.0.290.0000.00817.03
8.0.280.0030.00318.43
8.0.270.0030.00317.30
8.0.260.0040.00416.72
8.0.250.0030.00316.82
8.0.240.0000.00916.87
8.0.230.0030.00316.91
8.0.220.0040.00416.80
8.0.210.0000.00716.86
8.0.200.0000.00716.89
8.0.190.0050.00216.87
8.0.180.0070.00016.86
8.0.170.0080.00016.86
8.0.160.0000.00716.73
8.0.150.0070.00016.60
8.0.140.0070.00016.64
8.0.130.0030.00313.16
8.0.120.0070.00016.75
8.0.110.0060.00316.78
8.0.100.0040.00416.77
8.0.90.0000.00716.93
8.0.80.0140.00316.75
8.0.70.0000.00716.68
8.0.60.0040.00416.68
8.0.50.0040.00416.63
8.0.30.0090.01017.02
8.0.20.0100.00817.40
8.0.10.0040.00416.94
8.0.00.0140.00316.58
7.4.330.0000.00515.00
7.4.320.0030.00316.47
7.4.300.0060.00016.34
7.4.290.0040.00416.49
7.4.280.0000.00716.42
7.4.270.0000.00716.57
7.4.260.0060.00013.21
7.4.250.0040.00416.50
7.4.240.0050.00216.56
7.4.230.0050.00316.55
7.4.220.0070.01416.47
7.4.210.0060.00916.48
7.4.200.0040.00416.43
7.4.190.0030.00316.39
7.4.160.0100.00616.63
7.4.150.0120.00617.40
7.4.140.0120.00817.86
7.4.130.0060.01216.53
7.4.120.0070.01016.29
7.4.110.0070.01116.50
7.4.100.0060.01316.48
7.4.90.0100.01016.35
7.4.80.0070.01119.39
7.4.70.0160.00016.48
7.4.60.0070.01416.26
7.4.50.0000.00416.56
7.4.40.0070.00422.77
7.4.30.0130.00316.28
7.4.00.0060.00614.68
7.3.330.0020.00213.02
7.3.320.0050.00013.05
7.3.310.0000.00716.02
7.3.300.0000.00716.14
7.3.290.0070.01016.30
7.3.280.0070.00916.14
7.3.270.0100.00717.40
7.3.260.0090.01316.14
7.3.250.0170.00716.32
7.3.240.0110.01116.28
7.3.230.0090.00616.39
7.3.210.0130.00316.53
7.3.200.0100.00619.39
7.3.190.0070.01016.26
7.3.180.0070.01016.22
7.3.170.0060.00916.27
7.3.160.0100.01016.29
7.3.120.0000.01514.66
7.2.330.0140.00416.73
7.2.320.0120.00916.35
7.2.310.0120.00816.45
7.2.300.0110.00516.54
7.2.290.0040.01116.47
7.2.00.0060.00619.49
7.1.100.0080.00318.15
7.1.70.0040.00416.87
7.1.60.0110.01419.43
7.1.50.0110.00316.89
7.1.00.0070.07322.40
7.0.200.0000.00816.71
7.0.140.0070.07022.09
7.0.60.0130.07719.93
7.0.50.0070.03717.79
7.0.40.0100.08720.27
7.0.30.0300.07720.07
7.0.20.0300.06020.19
7.0.10.0330.06720.17
7.0.00.0100.07720.18
5.6.280.0000.07721.11
5.6.210.0030.07020.72
5.6.200.0030.04018.09
5.6.190.0030.08720.40
5.6.180.0230.08720.58
5.6.170.0200.03720.52
5.6.160.0030.09320.53
5.6.150.0070.08018.17
5.6.140.0100.07718.16
5.6.130.0000.09018.17
5.6.120.0100.04021.14
5.6.110.0100.08021.16
5.6.100.0000.06021.07
5.6.90.0170.07320.95
5.6.80.0170.06720.48
5.6.70.0200.06720.34
5.5.350.0030.08320.34
5.5.340.0070.08018.03
5.5.330.0030.08720.42
5.5.320.0170.04720.34
5.5.310.0300.04320.35
5.5.300.0070.05317.95
5.5.290.0070.07017.97
5.5.280.0000.04320.87
5.5.270.0070.06320.84
5.5.260.0000.04720.75
5.5.250.0100.08720.65
5.5.240.0170.06720.35
5.4.450.0970.03319.24
5.4.440.1030.05319.24
5.4.430.1070.05719.41
5.4.420.0700.04719.13
5.4.410.1200.05319.48
5.4.400.0330.07718.69
5.4.390.0530.04718.78
5.4.380.0200.05018.59
5.4.370.0170.05318.57
5.4.360.0130.05318.59
5.4.350.0080.03411.97
5.4.340.0080.04711.97
5.4.320.0060.03712.45
5.4.310.0070.04312.45
5.4.300.0080.03312.45
5.4.290.0090.04512.45
5.4.280.0060.03812.34
5.4.270.0090.04212.35
5.4.260.0050.04212.34
5.4.250.0030.07319.02
5.4.240.0070.05719.00
5.4.230.0070.05318.94
5.4.220.0100.07718.93
5.4.210.0170.04719.02
5.4.200.0100.05018.93
5.4.190.0100.06018.96
5.4.180.0170.05018.80
5.4.170.0130.06018.70
5.4.160.0200.07018.76
5.4.150.0130.06718.86
5.4.140.0130.06316.25
5.4.130.0130.05016.28
5.4.120.0130.06016.48
5.4.110.0100.06016.45
5.4.100.0100.04716.38
5.4.90.0030.05316.53
5.4.80.0030.05016.38
5.4.70.0100.07016.33
5.4.60.0000.06016.21
5.4.50.0070.05016.46
5.4.40.0100.04316.31
5.4.30.0030.05316.32
5.4.20.0130.05316.31
5.4.10.0070.05316.47
5.4.00.0070.05315.73
5.3.290.0060.03812.80
5.3.280.0130.06714.49
5.3.270.0100.07714.75
5.3.260.0170.05314.59
5.3.250.0130.06314.44
5.3.240.0170.04314.48
5.3.230.0030.05714.57
5.3.220.0030.05314.48
5.3.210.0100.05314.43
5.3.200.0100.04314.61
5.3.190.0030.06014.58
5.3.180.0030.05014.45
5.3.170.0000.05714.44
5.3.160.0130.04714.57
5.3.150.0030.05714.48
5.3.140.0070.06714.32
5.3.130.0070.05314.38
5.3.120.0070.05314.59
5.3.110.0130.05014.69
5.3.100.0030.05314.04
5.3.90.0070.05314.00
5.3.80.0100.04714.02
5.3.70.0100.04714.01
5.3.60.0070.04713.88
5.3.50.0100.06313.64
5.3.40.0000.07313.83
5.3.30.0070.04713.95
5.3.20.0070.05013.84
5.3.10.0100.04713.64
5.3.00.0100.05313.63
5.2.170.0030.05711.05
5.2.160.0230.03711.03
5.2.150.0100.05711.25
5.2.140.0030.06311.13
5.2.130.0130.05011.01
5.2.120.0030.06011.02
5.2.110.0000.05311.02
5.2.100.0170.05311.11
5.2.90.0070.03711.12
5.2.80.0000.05711.10
5.2.70.0030.04310.99
5.2.60.0030.04311.04
5.2.50.0030.04710.92
5.2.40.0070.04711.01
5.2.30.0030.04710.82
5.2.20.0070.04710.91
5.2.10.0130.03010.84
5.2.00.0000.04310.74
5.1.60.0030.04710.23
5.1.50.0000.04710.14
5.1.40.0130.03010.04
5.1.30.0030.05010.50
5.1.20.0030.05310.17
5.1.10.0070.03710.03
5.1.00.0000.04010.01
5.0.50.0000.0338.59
5.0.40.0070.0238.35
5.0.30.0070.0408.05
5.0.20.0100.0208.41
5.0.10.0000.0338.40
5.0.00.0030.0408.24
4.4.90.0030.0207.30
4.4.80.0000.0237.30
4.4.70.0130.0137.30
4.4.60.0000.0277.30
4.4.50.0000.0237.30
4.4.40.0030.0337.30
4.4.30.0030.0207.30
4.4.20.0000.0237.30
4.4.10.0030.0207.30
4.4.00.0070.0277.30
4.3.110.0000.0237.30
4.3.100.0070.0177.30
4.3.90.0030.0177.30
4.3.80.0000.0437.30
4.3.70.0000.0207.30
4.3.60.0030.0177.30
4.3.50.0030.0207.30
4.3.40.0030.0307.30
4.3.30.0030.0277.30
4.3.20.0030.0237.30
4.3.10.0000.0207.30
4.3.00.0100.0276.68

preferences:
42.04 ms | 401 KiB | 5 Q