3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mystring = 'blabla_blabla_'; $findme = '_'; $pos = strpos($mystring, $findme); echo $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)
8.3.40.0090.00618.58
8.3.30.0070.00719.10
8.3.20.0070.00020.39
8.3.10.0080.00022.00
8.3.00.0050.00322.34
8.2.170.0120.00922.96
8.2.160.0110.01120.55
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0050.00326.16
8.2.120.0040.00419.36
8.2.110.0060.00320.35
8.2.100.0080.00417.72
8.2.90.0030.00619.05
8.2.80.0030.00517.97
8.2.70.0030.00617.50
8.2.60.0090.00018.04
8.2.50.0060.00318.07
8.2.40.0000.00818.16
8.2.30.0050.00218.05
8.2.20.0000.00717.71
8.2.10.0000.00817.74
8.2.00.0070.00017.72
8.1.270.0040.00422.17
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0000.00922.09
8.1.230.0070.00317.52
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0080.00017.27
8.1.180.0000.00818.58
8.1.170.0060.00318.66
8.1.160.0090.00021.87
8.1.150.0040.00418.56
8.1.140.0040.00417.39
8.1.130.0000.00817.74
8.1.120.0040.00417.44
8.1.110.0070.00017.40
8.1.100.0040.00317.41
8.1.90.0030.00317.38
8.1.80.0050.00217.34
8.1.70.0000.00817.29
8.1.60.0040.00417.53
8.1.50.0080.00017.51
8.1.40.0000.00817.28
8.1.30.0030.00517.44
8.1.20.0060.00317.58
8.1.10.0000.00817.55
8.1.00.0030.00617.46
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.44
8.0.270.0070.00017.13
8.0.260.0030.00316.78
8.0.250.0020.00516.99
8.0.240.0070.00016.91
8.0.230.0000.00716.80
8.0.220.0000.00716.82
8.0.210.0000.00716.72
8.0.200.0000.00716.82
8.0.190.0040.00416.91
8.0.180.0040.00416.70
8.0.170.0050.00216.73
8.0.160.0000.00716.68
8.0.150.0040.00416.79
8.0.140.0000.00716.76
8.0.130.0000.00613.27
8.0.120.0060.00316.72
8.0.110.0040.00416.82
8.0.100.0050.00216.70
8.0.90.0050.00316.88
8.0.80.0070.01016.82
8.0.70.0040.00416.73
8.0.60.0050.00316.76
8.0.50.0030.00516.80
8.0.30.0080.01217.12
8.0.20.0110.00817.40
8.0.10.0000.00716.89
8.0.00.0080.01216.73
7.4.330.0020.00215.03
7.4.320.0030.00316.59
7.4.300.0030.00316.44
7.4.290.0030.00316.33
7.4.280.0110.00016.45
7.4.270.0030.00316.44
7.4.260.0030.00316.52
7.4.250.0000.00716.54
7.4.240.0000.00716.32
7.4.230.0000.00616.33
7.4.220.0140.00416.39
7.4.210.0050.01116.51
7.4.200.0050.00316.32
7.4.190.0000.00716.34
7.4.160.0120.00316.52
7.4.150.0140.00317.40
7.4.140.0140.00517.86
7.4.130.0150.00516.48
7.4.120.0060.01216.38
7.4.110.0150.00416.51
7.4.100.0040.01816.48
7.4.90.0040.01416.39
7.4.80.0060.01219.39
7.4.70.0110.00716.27
7.4.60.0090.00616.22
7.4.50.0040.00416.24
7.4.40.0030.01322.77
7.4.30.0090.00616.39
7.4.00.0070.00714.99
7.3.330.0050.00013.11
7.3.320.0000.00513.10
7.3.310.0070.00016.06
7.3.300.0000.00616.11
7.3.290.0040.01116.22
7.3.280.0110.00516.20
7.3.270.0100.01017.40
7.3.260.0160.01016.21
7.3.250.0060.01116.23
7.3.240.0060.01416.20
7.3.230.0100.00616.39
7.3.210.0130.00316.23
7.3.200.0150.00619.39
7.3.190.0060.01516.26
7.3.180.0140.00716.51
7.3.170.0100.00616.42
7.3.160.0110.00716.13
7.3.120.0070.01114.72
7.3.110.0100.00314.93
7.3.100.0100.00014.96
7.3.90.0090.00914.83
7.3.80.0060.00914.91
7.3.70.0030.01014.85
7.3.60.0060.00914.60
7.3.50.0040.01114.68
7.3.40.0040.00914.42
7.3.30.0030.00814.67
7.3.20.0060.00616.63
7.3.10.0000.00916.74
7.3.00.0100.00316.54
7.2.330.0090.01216.62
7.2.320.0100.01016.71
7.2.310.0030.01316.35
7.2.300.0110.00516.60
7.2.290.0090.00616.39
7.2.250.0110.00715.05
7.2.240.0060.01314.55
7.2.230.0100.00714.91
7.2.220.0040.01215.16
7.2.210.0040.01114.76
7.2.200.0060.00315.04
7.2.190.0070.00714.72
7.2.180.0070.01014.96
7.2.170.0060.00615.08
7.2.60.0110.00416.48
7.2.00.0040.01119.46
7.1.330.0070.00715.50
7.1.320.0000.00915.77
7.1.310.0000.00916.08
7.1.300.0000.01015.86
7.1.290.0060.00615.51
7.1.280.0070.00415.92
7.1.270.0040.00415.74
7.1.260.0100.00015.62
7.1.200.0030.00915.73
7.1.100.0040.00817.79
7.1.70.0070.00316.92
7.1.60.0100.01419.82
7.1.50.0060.01316.98
7.1.00.0030.07722.40
7.0.200.0050.00515.03
7.0.140.0000.07722.09
7.0.60.0200.04320.02
7.0.50.0170.05017.90
7.0.40.0100.04020.09
7.0.30.0270.04720.17
7.0.20.0370.07720.30
7.0.10.0070.06320.01
7.0.00.0070.04320.08
5.6.280.0030.07321.10
5.6.210.0130.08020.70
5.6.200.0170.07718.19
5.6.190.0030.06020.68
5.6.180.0170.04720.50
5.6.170.0330.06020.41
5.6.160.0170.04320.40
5.6.150.0030.07318.11
5.6.140.0300.06318.13
5.6.130.0100.07318.18
5.6.120.0070.08020.97
5.6.110.0200.07721.00
5.6.100.0130.07320.97
5.6.90.0070.08020.93
5.6.80.0070.08320.53
5.5.350.0370.06720.41
5.5.340.0070.07317.96
5.5.330.0070.07720.40
5.5.320.0330.06020.26
5.5.310.0300.07720.50
5.5.300.0070.08017.99
5.5.290.0000.07718.01
5.5.280.0130.07320.68
5.5.270.0030.08720.75
5.5.260.0170.03720.75
5.5.250.0070.04320.49
5.5.240.0000.04020.25
5.4.450.0100.07019.45
5.4.440.0600.05319.63
5.4.430.1230.07019.63
5.4.420.0770.05019.24
5.4.410.0100.05318.88
5.4.400.0270.05718.71
5.4.390.0370.05318.77
5.4.380.0170.05318.52
5.4.370.0030.04018.67
5.4.360.0100.03318.50
5.4.350.0060.04311.97
5.4.340.0070.03511.97
5.4.320.0040.03712.45
5.4.310.0060.04412.45
5.4.300.0050.04612.45
5.4.290.0050.04712.45
5.4.280.0070.03612.35
5.4.270.0200.06718.87
5.4.260.0200.07019.11
5.4.250.0200.04719.03
5.4.240.0130.07718.81
5.4.230.0070.07318.89
5.4.220.0070.08318.75
5.4.210.0200.06719.00
5.4.200.0070.08318.89
5.4.190.0200.07019.03
5.4.180.0200.07018.94
5.4.170.0100.05718.80
5.4.160.0100.06318.74
5.4.150.0170.07018.85
5.4.140.0200.07016.45
5.4.130.0070.06716.38
5.4.120.0130.08016.57
5.4.110.0130.05316.45
5.4.100.0170.05016.47
5.4.90.0200.06316.47
5.4.80.0130.06716.37
5.4.70.0100.07316.57
5.4.60.0130.04716.48
5.4.50.0200.04716.42
5.4.40.0070.07316.39
5.4.30.0070.07016.47
5.4.20.0000.06016.47
5.4.10.0130.06716.36
5.4.00.0070.07015.98
5.3.290.0110.03512.80
5.3.280.0100.05014.73
5.3.270.0100.06314.76
5.3.260.0130.05714.77
5.3.250.0070.06714.60
5.3.240.0170.05714.76
5.3.230.0070.07714.52
5.3.220.0270.04314.70
5.3.210.0030.08314.55
5.3.200.0030.05314.70
5.3.190.0070.06314.62
5.3.180.0030.05314.54
5.3.170.0100.06714.73
5.3.160.0130.06014.50
5.3.150.0070.06314.67
5.3.140.0100.07314.74
5.3.130.0070.05314.73
5.3.120.0100.05014.68
5.3.110.0070.06014.53
5.3.100.0130.05014.02
5.3.90.0070.06714.14
5.3.80.0030.05314.07
5.3.70.0030.07014.13
5.3.60.0230.03714.09
5.3.50.0070.05313.86
5.3.40.0030.05714.09
5.3.30.0200.04013.71
5.3.20.0000.07313.77
5.3.10.0100.04713.68
5.3.00.0170.04013.72
5.2.170.0170.03711.26
5.2.160.0130.04311.35
5.2.150.0070.04011.27
5.2.140.0070.04711.07
5.2.130.0070.04711.29
5.2.120.0100.04011.34
5.2.110.0130.03710.91
5.2.100.0030.05310.90
5.2.90.0070.06010.91
5.2.80.0030.04310.89
5.2.70.0030.04311.19
5.2.60.0270.03711.15
5.2.50.0070.04011.00
5.2.40.0070.05011.20
5.2.30.0070.04010.94
5.2.20.0070.03711.08
5.2.10.0070.04011.11
5.2.00.0070.05310.98
5.1.60.0130.02710.28
5.1.50.0070.03310.20
5.1.40.0070.04710.22
5.1.30.0000.04010.59
5.1.20.0000.05010.55
5.1.10.0100.04310.32
5.1.00.0030.03710.38
5.0.50.0100.0278.82
5.0.40.0030.0308.58
5.0.30.0030.0438.19
5.0.20.0030.0308.50
5.0.10.0070.0338.46
5.0.00.0070.0538.12
4.4.90.0030.0207.42
4.4.80.0070.0277.42
4.4.70.0000.0237.42
4.4.60.0030.0207.42
4.4.50.0070.0277.42
4.4.40.0070.0477.42
4.4.30.0070.0177.42
4.4.20.0100.0137.42
4.4.10.0030.0207.42
4.4.00.0100.0307.42
4.3.110.0100.0207.42
4.3.100.0000.0237.42
4.3.90.0000.0237.42
4.3.80.0070.0337.42
4.3.70.0070.0237.42
4.3.60.0070.0207.42
4.3.50.0030.0237.42
4.3.40.0030.0337.42
4.3.30.0070.0237.42
4.3.20.0070.0207.42
4.3.10.0070.0207.42
4.3.00.0030.0237.18

preferences:
42.4 ms | 400 KiB | 5 Q