3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'test'; $return = strpos($a, 't'); echo "\n"; echo (0) ? 'true' : 'false'; echo "\n"; echo ($return) ? 'true' : 'false'; echo "\n"; echo (strpos($a, 't')) ? 'true' : 'false'; echo "\n"; if (strpos($a, 't')) echo 'true'; else echo 'false'; echo "\n"; echo (strpos($a, 't') === 0) ? 'true' : 'false'; echo "\n"; echo (strpos($a, 't') === $return) ? 'true' : 'false'; echo "\n"; if (strpos($a, 't')) echo '4';

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)
8.3.60.0090.00618.29
8.3.50.0090.00621.89
8.3.40.0110.00618.84
8.3.30.0110.00419.15
8.3.20.0040.00420.33
8.3.10.0080.00023.71
8.3.00.0070.00019.21
8.2.180.0040.01116.75
8.2.170.0030.01222.96
8.2.160.0070.00720.43
8.2.150.0030.00624.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0000.00820.77
8.2.110.0060.00319.33
8.2.100.0080.00417.80
8.2.90.0050.00319.17
8.2.80.0050.00517.97
8.2.70.0060.00317.74
8.2.60.0000.00717.79
8.2.50.0040.00418.07
8.2.40.0080.00019.60
8.2.30.0060.00318.21
8.2.20.0040.00417.68
8.2.10.0040.00417.99
8.2.00.0000.00817.73
8.1.280.0040.01125.92
8.1.270.0080.00023.84
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0050.00522.04
8.1.230.0080.00419.01
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0000.00917.11
8.1.190.0040.00417.10
8.1.180.0030.00619.01
8.1.170.0000.00818.26
8.1.160.0000.00722.04
8.1.150.0050.00318.68
8.1.140.0040.00417.45
8.1.130.0000.00717.84
8.1.120.0040.00417.29
8.1.110.0000.00817.45
8.1.100.0040.00417.41
8.1.90.0070.00017.38
8.1.80.0050.00217.41
8.1.70.0000.00717.36
8.1.60.0040.00417.52
8.1.50.0040.00417.40
8.1.40.0080.00017.37
8.1.30.0000.00817.61
8.1.20.0040.00417.58
8.1.10.0040.00417.59
8.1.00.0040.00417.44
8.0.300.0040.00420.07
8.0.290.0000.00916.63
8.0.280.0030.00318.33
8.0.270.0000.00817.23
8.0.260.0030.00517.18
8.0.250.0000.00716.93
8.0.240.0060.00316.92
8.0.230.0030.00317.01
8.0.220.0000.00816.95
8.0.210.0050.00216.87
8.0.200.0030.00316.92
8.0.190.0040.00416.95
8.0.180.0000.00716.92
8.0.170.0040.00416.97
8.0.160.0030.00316.79
8.0.150.0050.00216.85
8.0.140.0080.00016.89
8.0.130.0000.00513.29
8.0.120.0030.00516.86
8.0.110.0030.00516.91
8.0.100.0030.00616.93
8.0.90.0070.00016.88
8.0.80.0070.01016.79
8.0.70.0070.00016.82
8.0.60.0040.00416.82
8.0.50.0030.00516.94
8.0.30.0090.01217.08
8.0.20.0030.01517.40
8.0.10.0040.00416.89
8.0.00.0060.01116.76
7.4.330.0050.00015.03
7.4.320.0000.00616.51
7.4.300.0030.00316.59
7.4.290.0040.00416.61
7.4.280.0000.00816.54
7.4.270.0080.00016.54
7.4.260.0000.00716.52
7.4.250.0000.00716.48
7.4.240.0020.00516.55
7.4.230.0000.00816.51
7.4.220.0120.00616.62
7.4.210.0070.00716.59
7.4.200.0070.00016.60
7.4.190.0000.00816.47
7.4.160.0090.00616.46
7.4.150.0090.00917.40
7.4.140.0150.00517.86
7.4.130.0130.00616.40
7.4.120.0090.01116.51
7.4.110.0040.01516.44
7.4.100.0110.01116.47
7.4.90.0120.00416.54
7.4.80.0080.01219.39
7.4.70.0040.01116.43
7.4.60.0130.00816.58
7.4.50.0000.00816.32
7.4.40.0040.01316.45
7.4.30.0100.00716.69
7.4.00.0110.00014.80
7.3.330.0030.00313.30
7.3.320.0030.00313.33
7.3.310.0000.00716.41
7.3.300.0030.00316.33
7.3.290.0060.00816.30
7.3.280.0110.00516.37
7.3.270.0100.00617.40
7.3.260.0110.00816.22
7.3.250.0060.01116.38
7.3.240.0070.01416.41
7.3.230.0140.00316.48
7.3.210.0130.01016.34
7.3.200.0070.01019.39
7.3.190.0150.00416.56
7.3.180.0120.00316.26
7.3.170.0090.01216.39
7.3.160.0060.01016.42
7.3.120.0030.00915.01
7.2.330.0090.01516.50
7.2.320.0090.01216.62
7.2.310.0120.00816.59
7.2.300.0090.01216.50
7.2.290.0120.01216.67
7.2.60.0000.00916.97
7.1.200.0030.00915.81
7.1.100.0080.00317.88
7.1.70.0040.00417.21
7.1.60.0090.01219.46
7.1.50.0140.01434.84
7.1.00.0000.08022.32
7.0.200.0000.00716.46
7.0.140.0030.04721.99
7.0.60.0170.06019.92
7.0.50.0030.04017.79
7.0.40.0100.08320.04
7.0.30.0270.05320.20
7.0.20.0230.06020.16
7.0.10.0030.07320.19
7.0.00.0100.08320.16
5.6.280.0100.06720.90
5.6.210.0030.07720.52
5.6.200.0030.08318.08
5.6.190.0030.08020.35
5.6.180.0270.08020.41
5.6.170.0130.04320.39
5.6.160.0070.05020.71
5.6.150.0030.05718.09
5.6.140.0070.08018.18
5.6.130.0030.04318.11
5.6.120.0100.03721.14
5.6.110.0030.08720.98
5.6.100.0100.07721.13
5.6.90.0230.06721.08
5.6.80.0030.04020.43
5.5.350.0270.08020.41
5.5.340.0100.07317.98
5.5.330.0130.07720.23
5.5.320.0330.05320.50
5.5.310.0270.05320.50
5.5.300.0000.06017.92
5.5.290.0100.08017.98
5.5.280.0000.05020.73
5.5.270.0030.04020.80
5.5.260.0030.04320.67
5.5.250.0030.04020.54
5.5.240.0100.07720.07
5.4.450.0430.04319.57
5.4.440.0630.02719.43
5.4.430.1070.06019.53
5.4.420.0800.05019.53
5.4.410.0070.07719.47
5.4.400.1070.06318.90
5.4.390.0800.06318.84
5.4.380.0170.05318.50
5.4.370.0130.05318.45
5.4.360.0170.06318.72
5.4.350.0130.05318.72
5.4.340.0170.05018.64
5.4.320.0060.04012.46
5.4.310.0050.03812.45
5.4.300.0090.04112.45
5.4.290.0070.04212.45
5.4.280.0090.04012.35
5.4.270.0090.04812.35
5.4.260.0090.04012.35
5.4.250.0050.04812.35
5.4.240.0120.04912.35
5.4.230.0080.05312.34
5.4.220.0090.05212.34
5.4.210.0140.06012.34
5.4.200.0190.09812.34
5.4.190.0080.06012.34
5.4.180.0130.04712.34
5.4.170.0130.06612.35
5.4.160.0050.05312.35
5.4.150.0070.04212.34
5.4.140.0070.03812.02
5.4.130.0080.04212.01
5.4.120.0070.04111.97
5.4.110.0070.03711.97
5.4.100.0060.03711.97
5.4.90.0070.04111.97
5.4.80.0060.04211.97
5.4.70.0060.04011.96
5.4.60.0050.04011.96
5.4.50.0090.03611.96
5.4.40.0060.03811.95
5.4.30.0080.03611.95
5.4.20.0080.03411.95
5.4.10.0070.03411.95
5.4.00.0050.03711.44
5.3.290.0060.04112.80
5.3.280.0060.05412.70
5.3.270.0060.04212.72
5.3.260.0050.04312.72
5.3.250.0060.04012.72
5.3.240.0080.03812.72
5.3.230.0060.04312.71
5.3.220.0060.03912.68
5.3.210.0070.03812.68
5.3.200.0070.03512.68
5.3.190.0060.03912.68
5.3.180.0060.04312.67
5.3.170.0050.04412.66
5.3.160.0060.03812.67
5.3.150.0060.03712.68
5.3.140.0070.03512.66
5.3.130.0050.04012.66
5.3.120.0110.03312.66
5.3.110.0050.03912.66
5.3.100.0090.03612.12
5.3.90.0120.03312.08
5.3.80.0080.03712.08
5.3.70.0040.03812.07
5.3.60.0090.03312.06
5.3.50.0070.03612.00
5.3.40.0060.04312.00
5.3.30.0110.04011.94
5.3.20.0050.03611.72
5.3.10.0080.03311.69
5.3.00.0040.04011.68
5.2.170.0040.0329.18
5.2.160.0070.0289.18
5.2.150.0020.0419.18
5.2.140.0060.0319.18
5.2.130.0040.0449.14
5.2.120.0080.0299.14
5.2.110.0050.0309.14
5.2.100.0040.0299.14
5.2.90.0060.0289.14
5.2.80.0040.0349.13
5.2.70.0050.0299.13
5.2.60.0030.0319.09
5.2.50.0050.0299.06
5.2.40.0050.0319.04
5.2.30.0040.0369.01
5.2.20.0150.0439.00
5.2.10.0050.0338.92
5.2.00.0040.0358.78
5.1.60.0030.0428.07
5.1.50.0070.0318.06
5.1.40.0050.0248.04
5.1.30.0050.0308.39
5.1.20.0070.0258.41
5.1.10.0060.0288.14
5.1.00.0070.0338.14
5.0.50.0030.0246.63
5.0.40.0050.0206.48
5.0.30.0030.0366.30
5.0.20.0030.0426.27
5.0.10.0040.0356.25
5.0.00.0060.0516.24
4.4.90.0030.0164.78
4.4.80.0040.0154.76
4.4.70.0040.0214.76
4.4.60.0070.0154.75
4.4.50.0040.0224.77
4.4.40.0060.0274.70
4.4.30.0040.0184.75
4.4.20.0050.0204.84
4.4.10.0030.0184.85
4.4.00.0030.0294.76
4.3.110.0060.0204.67
4.3.100.0050.0384.66
4.3.90.0080.0264.64
4.3.80.0040.0274.59
4.3.70.0050.0164.63
4.3.60.0030.0174.63
4.3.50.0020.0194.63
4.3.40.0030.0264.54
4.3.30.0030.0173.29
4.3.20.0030.0173.27
4.3.10.0030.0233.23
4.3.00.0030.01712.57

preferences:
43.29 ms | 401 KiB | 5 Q