3v4l.org

run code in 300+ PHP versions simultaneously
<?php $haystack = 'school'; $pattern = 'sch'; $match = strstr($haystack, $pattern); $result = strlen($match) - strlen($pattern); ?>

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)
8.3.60.0090.00918.18
8.3.50.0110.01021.27
8.3.40.0070.00718.59
8.3.30.0100.00320.21
8.3.20.0040.00420.22
8.3.10.0080.00020.95
8.3.00.0040.00422.44
8.2.180.0080.00816.38
8.2.170.0140.00022.96
8.2.160.0120.00922.09
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0000.00820.63
8.2.110.0040.00719.39
8.2.100.0030.00917.78
8.2.90.0030.00619.22
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0060.00317.91
8.2.50.0040.00418.10
8.2.40.0000.00820.50
8.2.30.0030.00519.42
8.2.20.0070.00017.57
8.2.10.0040.00417.59
8.2.00.0040.00417.65
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.92
8.1.230.0040.00717.70
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.12
8.1.190.0000.00817.11
8.1.180.0020.00518.10
8.1.170.0110.00018.65
8.1.160.0030.00322.19
8.1.150.0030.00318.60
8.1.140.0000.00717.34
8.1.130.0000.00717.86
8.1.120.0020.00517.45
8.1.110.0000.00717.24
8.1.100.0040.00417.35
8.1.90.0050.00217.39
8.1.80.0060.00317.30
8.1.70.0000.00817.29
8.1.60.0090.00017.54
8.1.50.0000.00717.44
8.1.40.0000.00717.46
8.1.30.0040.00417.48
8.1.20.0030.00617.55
8.1.10.0030.00617.38
8.1.00.0030.00517.50
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0070.00018.42
8.0.270.0000.00817.18
8.0.260.0080.00016.66
8.0.250.0060.00016.88
8.0.240.0000.00816.87
8.0.230.0030.00316.92
8.0.220.0030.00316.86
8.0.210.0030.00616.87
8.0.200.0030.00316.74
8.0.190.0000.00916.91
8.0.180.0050.00216.81
8.0.170.0050.00316.74
8.0.160.0000.00716.77
8.0.150.0040.00316.71
8.0.140.0030.00316.76
8.0.130.0030.00313.23
8.0.120.0050.00316.75
8.0.110.0000.00716.75
8.0.100.0000.00716.78
8.0.90.0000.00816.88
8.0.80.0050.01416.70
8.0.70.0000.00716.78
8.0.60.0040.00416.68
8.0.50.0060.00316.85
8.0.30.0080.01317.03
8.0.20.0100.01217.40
8.0.10.0050.00216.81
8.0.00.0130.00316.69
7.4.330.0000.00516.71
7.4.320.0000.00616.52
7.4.300.0030.00316.56
7.4.290.0070.00016.43
7.4.280.0000.00716.33
7.4.270.0080.00016.54
7.4.260.0050.00013.14
7.4.250.0000.00816.31
7.4.240.0030.00316.47
7.4.230.0040.00416.42
7.4.220.0060.01316.35
7.4.210.0070.01016.40
7.4.200.0030.00316.43
7.4.190.0060.00016.32
7.4.160.0110.01116.37
7.4.150.0140.00317.40
7.4.140.0080.01217.86
7.4.130.0130.00516.38
7.4.120.0050.01116.43
7.4.110.0070.01016.30
7.4.100.0030.01616.41
7.4.90.0090.00816.46
7.4.80.0160.00619.39
7.4.70.0060.01016.39
7.4.60.0030.01316.45
7.4.50.0040.00416.51
7.4.40.0070.00722.77
7.4.30.0070.01316.48
7.4.00.0030.01414.93
7.3.330.0020.00213.11
7.3.320.0030.00313.09
7.3.310.0000.00716.12
7.3.300.0000.00716.23
7.3.290.0000.01416.23
7.3.280.0080.00716.26
7.3.270.0120.00617.40
7.3.260.0100.01318.24
7.3.250.0080.01116.27
7.3.240.0180.00316.52
7.3.230.0100.01316.53
7.3.210.0070.01016.65
7.3.200.0180.00319.39
7.3.190.0150.00616.50
7.3.180.0090.01216.51
7.3.170.0030.01316.27
7.3.160.0060.00916.28
7.3.120.0130.00315.04
7.2.330.0170.00016.53
7.2.320.0180.00316.41
7.2.310.0090.01316.63
7.2.300.0100.00716.40
7.2.290.0080.00816.52
7.2.00.0030.01319.50
7.1.100.0000.01118.07
7.1.70.0000.00817.11
7.1.60.0200.00319.17
7.1.50.0140.00716.85
7.1.00.0000.06022.37
7.0.200.0070.00016.80
7.0.140.0100.06721.91
7.0.60.0070.07019.99
7.0.50.0000.04317.91
7.0.40.0030.08320.27
7.0.30.0100.05720.20
7.0.20.0230.03720.13
7.0.10.0270.06020.33
7.0.00.0070.05020.00
5.6.280.0000.07721.11
5.6.210.0200.04320.64
5.6.200.0100.06718.19
5.6.190.0070.06020.67
5.6.180.0230.04320.27
5.6.170.0300.07720.33
5.6.160.0070.08320.48
5.6.150.0070.08018.22
5.6.140.0070.03318.11
5.6.130.0070.05018.18
5.6.120.0170.06721.03
5.6.110.0130.07021.04
5.6.100.0100.07321.07
5.6.90.0130.06721.06
5.6.80.0070.07320.25
5.6.70.4430.04320.39
5.5.350.0070.08020.36
5.5.340.0100.07017.98
5.5.330.0030.08320.56
5.5.320.0470.06720.52
5.5.310.0330.07320.18
5.5.300.0030.03717.87
5.5.290.0030.04717.98
5.5.280.0100.07720.96
5.5.270.0070.05320.88
5.5.260.0070.07320.88
5.5.250.0070.05320.68
5.5.240.0030.05320.25
5.4.450.0500.05019.26
5.4.440.0430.04719.41
5.4.430.0630.05719.54
5.4.420.0530.04019.55
5.4.410.0530.04319.33
5.4.400.0530.05318.89
5.4.390.0370.04319.10
5.4.380.0370.06018.79
5.4.370.0500.06019.06
5.4.360.0430.07319.09
5.4.350.0430.06018.93
5.4.340.0530.07019.10
5.4.320.0570.06319.10
5.4.310.0500.06018.93
5.4.300.0530.06019.13
5.4.290.0470.06719.16
5.4.280.0500.07019.09
5.4.270.0530.05018.79
5.4.260.0500.04318.95
5.4.250.0400.04319.11
5.4.240.0470.06018.78
5.4.230.0570.05019.05
5.4.220.0400.04019.07
5.4.210.0470.06019.12
5.4.200.0500.06719.23
5.4.190.0370.04319.07
5.4.180.0400.03719.09
5.4.170.0430.06019.08
5.4.160.0630.05019.11
5.4.150.0400.03319.23
5.4.140.0500.06316.45
5.4.130.0600.05016.45
5.4.120.0500.05316.16
5.4.110.0500.06316.39
5.4.100.0430.07316.34
5.4.90.0500.05716.39
5.4.80.0300.05016.48
5.4.70.0370.05316.29
5.4.60.0370.03316.32
5.4.50.0430.06316.40
5.4.40.0400.06016.43
5.4.30.0400.05716.36
5.4.20.0500.06316.16
5.4.10.0470.04716.03
5.4.00.0530.04015.78
5.3.290.0470.07314.50
5.3.280.0370.05314.43
5.3.270.0400.03714.55
5.3.260.0400.04014.54
5.3.250.0300.04314.52
5.3.240.0670.05014.63
5.3.230.0470.04314.43
5.3.220.0430.05714.61
5.3.210.0470.06314.44
5.3.200.0400.05314.41
5.3.190.0470.07014.39
5.3.180.0500.04014.54
5.3.170.0530.06314.46
5.3.160.0430.06714.39
5.3.150.0500.04014.50
5.3.140.0530.06014.39
5.3.130.0430.05714.63
5.3.120.0370.04014.43
5.3.110.0370.04014.47
5.3.100.0370.04013.89
5.3.90.0530.05714.00
5.3.80.0400.04713.80
5.3.70.0600.05314.06
5.3.60.0500.06713.84
5.3.50.0430.05013.77
5.3.40.0530.03313.79
5.3.30.0470.06013.76
5.3.20.0470.06313.72
5.3.10.0430.04313.49
5.3.00.0500.05713.59
5.2.170.0370.05711.72
5.2.160.0370.03711.72
5.2.150.0400.05311.72
5.2.140.0470.04311.72
5.2.130.0330.04311.72
5.2.120.0430.05711.72
5.2.110.0330.06311.72
5.2.100.0500.04711.72
5.2.90.0430.04711.72
5.2.80.0400.03711.72
5.2.70.0370.03011.72
5.2.60.0400.05311.72
5.2.50.0470.04711.72
5.2.40.0330.03311.72
5.2.30.0400.04711.72
5.2.20.0400.05011.72
5.2.10.0300.03311.72
5.2.00.0430.04711.72
5.1.60.0370.03311.72
5.1.50.0370.01311.72
5.1.40.0230.03311.72
5.1.30.0300.02311.72
5.1.20.0300.02311.72
5.1.10.0270.02711.72
5.1.00.0230.03711.72
5.0.50.0130.03711.72
5.0.40.0230.03011.72
5.0.30.0170.06311.72
5.0.20.0130.02011.72
5.0.10.0170.02311.72
5.0.00.0200.03011.72
4.4.90.0100.02311.72
4.4.80.0200.03011.72
4.4.70.0230.03011.72
4.4.60.0230.03011.72
4.4.50.0230.01711.72
4.4.40.0200.04311.72
4.4.30.0230.02711.72
4.4.20.0170.01311.72
4.4.10.0170.03711.72
4.4.00.0130.03311.72
4.3.110.0170.03711.72
4.3.100.0130.03011.72
4.3.90.0170.01711.72
4.3.80.0170.04711.72
4.3.70.0130.01711.72
4.3.60.0170.01311.72
4.3.50.0170.03311.72
4.3.40.0130.04311.72
4.3.30.0100.03311.72
4.3.20.0030.02711.72
4.3.10.0100.01711.72
4.3.00.0070.02011.72

preferences:
40.61 ms | 400 KiB | 5 Q