3v4l.org

run code in 300+ PHP versions simultaneously
<?php $haystack = 'abcda'; $needle = 'a'; $pos = strpos($haystack, $needle); var_dump($pos); if (!$pos) { echo "miss"; } else { echo "hit " . $pos; }

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)
8.3.60.0080.01118.43
8.3.50.0110.01021.14
8.3.40.0140.00318.67
8.3.30.0170.00319.09
8.3.20.0070.00020.25
8.3.10.0040.00422.01
8.3.00.0040.00422.52
8.2.180.0140.00416.63
8.2.170.0000.01422.96
8.2.160.0100.00319.20
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.01126.16
8.2.120.0040.00419.54
8.2.110.0000.01022.29
8.2.100.0070.00419.21
8.2.90.0040.00419.08
8.2.80.0050.00319.29
8.2.70.0040.00417.63
8.2.60.0030.00518.04
8.2.50.0080.00018.07
8.2.40.0040.00418.16
8.2.30.0000.00718.08
8.2.20.0050.00217.55
8.2.10.0040.00417.63
8.2.00.0030.00517.78
8.1.280.0110.00425.92
8.1.270.0060.00320.20
8.1.260.0140.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00523.83
8.1.230.0110.00019.22
8.1.220.0090.00017.91
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.17
8.1.180.0040.00418.57
8.1.170.0000.00918.50
8.1.160.0040.00422.14
8.1.150.0000.00818.60
8.1.140.0040.00417.45
8.1.130.0000.00917.73
8.1.120.0000.00717.49
8.1.110.0030.00417.44
8.1.100.0000.00917.38
8.1.90.0070.00017.50
8.1.80.0040.00417.35
8.1.70.0000.00717.43
8.1.60.0050.00317.57
8.1.50.0030.00717.56
8.1.40.0080.00017.43
8.1.30.0000.00717.50
8.1.20.0090.00017.58
8.1.10.0040.00417.38
8.1.00.0030.00517.43
8.0.300.0000.00718.77
8.0.290.0000.00817.18
8.0.280.0030.00318.32
8.0.270.0070.00017.26
8.0.260.0060.00316.77
8.0.250.0000.00716.95
8.0.240.0070.00016.91
8.0.230.0030.00316.80
8.0.220.0000.00716.90
8.0.210.0070.00016.75
8.0.200.0030.00316.91
8.0.190.0000.00716.96
8.0.180.0020.00516.75
8.0.170.0040.00416.82
8.0.160.0040.00416.73
8.0.150.0040.00416.73
8.0.140.0050.00216.82
8.0.130.0000.00513.30
8.0.120.0070.00016.79
8.0.110.0080.00016.84
8.0.100.0040.00416.89
8.0.90.0030.00316.71
8.0.80.0040.01116.88
8.0.70.0070.00016.87
8.0.60.0000.00716.80
8.0.50.0040.00416.94
8.0.30.0110.00717.08
8.0.20.0080.01117.40
8.0.10.0000.00716.86
8.0.00.0110.00916.80
7.4.330.0050.00015.00
7.4.320.0060.00016.51
7.4.300.0000.00616.50
7.4.290.0040.00416.62
7.4.280.0040.00416.57
7.4.270.0030.00316.61
7.4.260.0000.00716.58
7.4.250.0070.00016.45
7.4.240.0030.00516.62
7.4.230.0030.00316.70
7.4.220.0140.00316.64
7.4.210.0040.01216.54
7.4.200.0000.00716.45
7.4.190.0030.00316.55
7.4.160.0120.00316.37
7.4.150.0140.00717.40
7.4.140.0050.01317.86
7.4.130.0090.01316.55
7.4.120.0120.00416.50
7.4.110.0040.01216.50
7.4.100.0110.00816.41
7.4.90.0100.00716.59
7.4.80.0060.01219.39
7.4.70.0030.01316.46
7.4.60.0060.01016.24
7.4.50.0040.00416.47
7.4.40.0000.01622.77
7.4.30.0000.01616.45
7.4.00.0110.00715.14
7.3.330.0000.00513.04
7.3.320.0030.00313.02
7.3.310.0000.00716.11
7.3.300.0070.00016.16
7.3.290.0030.01016.20
7.3.280.0080.00716.19
7.3.270.0090.00817.40
7.3.260.0070.01016.34
7.3.250.0120.00716.30
7.3.240.0000.01616.43
7.3.230.0070.01016.39
7.3.210.0100.00716.09
7.3.200.0080.00819.39
7.3.190.0190.01116.29
7.3.180.0070.01016.66
7.3.170.0110.01116.41
7.3.160.0040.01116.38
7.3.120.0110.00714.80
7.2.330.0070.01016.57
7.2.320.0150.00616.57
7.2.310.0120.00816.36
7.2.300.0030.01316.70
7.2.290.0150.00016.32
7.2.00.0090.00319.39
7.1.200.0110.00415.59
7.1.100.0060.00617.91
7.1.70.0000.00917.14
7.1.60.0140.01119.82
7.1.50.0100.00716.89
7.1.00.0030.04322.44
7.0.200.0000.00716.88
7.0.140.0100.07022.04
7.0.60.0070.05019.82
7.0.50.0030.06717.82
7.0.40.0100.08319.90
7.0.30.0370.06020.09
7.0.20.0170.06320.12
7.0.10.0270.05020.30
7.0.00.0100.07320.33
5.6.280.0130.06320.86
5.6.210.0100.07320.70
5.6.200.0070.08318.23
5.6.190.0070.07320.77
5.6.180.3800.03720.33
5.6.170.0230.06720.62
5.6.160.0030.04020.70
5.6.150.0070.05718.07
5.6.140.0100.05018.12
5.6.130.0230.03018.09
5.6.120.0130.07721.01
5.6.110.0100.07321.01
5.6.100.0130.05721.13
5.6.90.0170.06720.95
5.6.80.0100.07320.39
5.6.70.0170.04020.38
5.5.350.0200.03320.47
5.5.340.0100.07717.91
5.5.330.0100.08320.56
5.5.320.0130.04320.41
5.5.310.0230.07720.27
5.5.300.0030.04017.92
5.5.290.0130.06717.95
5.5.280.0030.06020.80
5.5.270.0170.07020.72
5.5.260.0100.04720.86
5.5.250.0070.07020.70
5.5.240.0130.07320.11
5.4.450.4100.04719.12
5.4.440.3400.03319.41
5.4.430.3130.04019.11
5.4.420.3800.04019.39
5.4.410.3130.04019.33
5.4.400.3470.04019.16
5.4.390.3730.03719.08
5.4.380.3370.04019.13
5.4.370.3730.03019.06
5.4.360.3970.03718.90
5.4.350.3300.04318.88
5.4.340.3700.03718.81
5.4.320.3730.03719.25
5.4.310.3670.04318.81
5.4.300.3600.03719.08
5.4.290.3500.03019.13
5.4.280.3800.04018.88
5.4.270.3470.03719.08
5.4.260.3830.04019.06
5.4.250.4000.03018.92
5.4.240.0070.04318.92
5.4.230.0030.07318.78
5.4.220.3470.03719.08
5.4.210.3530.03018.80
5.4.200.3430.04019.25
5.4.190.3700.03719.12
5.4.180.4270.03719.08
5.4.170.4200.04019.20
5.4.160.4000.03319.22
5.4.150.4170.03719.13
5.4.140.3930.03316.45
5.4.130.0070.07016.28
5.4.120.1870.05016.28
5.4.110.4300.03316.43
5.4.100.4470.02716.39
5.4.90.3770.03016.39
5.4.80.3670.03316.39
5.4.70.3670.03716.21
5.4.60.3730.03316.39
5.4.50.3670.04016.17
5.4.40.3130.03316.42
5.4.30.5230.03716.37
5.4.20.3400.03316.36
5.4.10.3730.03316.20
5.4.00.4030.04015.89
5.3.290.3570.04014.57
5.3.280.3400.04014.63
5.3.270.4030.04014.45
5.3.260.3570.04014.65
5.3.250.4000.04014.43
5.3.240.0030.05314.58
5.3.230.0030.07714.64
5.3.220.4300.04014.61
5.3.210.4430.03714.51
5.3.200.3830.03314.41
5.3.190.4300.03014.42
5.3.180.3770.03714.65
5.3.170.3500.03714.59
5.3.160.3300.03714.46
5.3.150.3730.03714.65
5.3.140.3730.03314.38
5.3.130.4400.04314.52
5.3.120.3730.04014.48
5.3.110.3470.03714.49
5.3.100.3770.03013.95
5.3.90.3670.04013.86
5.3.80.3100.03013.86
5.3.70.3770.03013.85
5.3.60.3470.03313.85
5.3.50.3330.03313.85
5.3.40.3770.03013.78
5.3.30.3970.04013.78
5.3.20.3730.03313.46
5.3.10.3470.03713.53
5.3.00.3130.03313.59
5.2.170.3130.03311.08
5.2.160.3300.03011.04
5.2.150.3270.03711.00
5.2.140.3030.02311.00
5.2.130.2600.03311.05
5.2.120.2970.02711.15
5.2.110.2330.02710.96
5.2.100.2830.02710.96
5.2.90.3170.02311.12
5.2.80.2670.04011.03
5.2.70.2900.03010.93
5.2.60.3030.02311.14
5.2.50.2900.02711.03
5.2.40.2030.02710.82
5.2.30.2300.02710.87
5.2.20.2270.03010.80
5.2.10.2330.03010.75
5.2.00.2030.02710.64
5.1.60.2370.01710.64
5.1.50.2270.02710.64
5.1.40.2330.02010.64
5.1.30.2300.02310.64
5.1.20.2270.02710.64
5.1.10.2330.02710.64
5.1.00.2630.02710.64
5.0.50.1500.02010.64
5.0.40.0130.04310.64
5.0.30.1400.03010.64
5.0.20.1330.02310.64
5.0.10.1170.02010.64
5.0.00.1830.03310.64
4.4.90.1230.01310.64
4.4.80.1170.01310.64
4.4.70.1130.01710.64
4.4.60.1130.01310.64
4.4.50.1130.01710.64
4.4.40.1200.01710.64
4.4.30.1130.01310.64
4.4.20.1400.02010.64
4.4.10.1470.02010.64
4.4.00.1500.02710.64
4.3.110.1200.01710.64
4.3.100.1430.00710.64
4.3.90.1300.01710.64
4.3.80.1430.02310.64
4.3.70.1400.01310.64
4.3.60.1600.01310.64
4.3.50.1370.01710.64
4.3.40.1670.02310.64
4.3.30.0770.01010.64
4.3.20.0700.01710.64
4.3.10.0870.02310.64
4.3.00.0730.01710.64

preferences:
43.86 ms | 401 KiB | 5 Q