3v4l.org

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

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)
8.3.70.0070.01416.75
8.3.60.0140.00416.50
8.3.50.0140.00521.95
8.3.40.0090.00618.71
8.3.30.0180.00319.08
8.3.20.0050.00320.34
8.3.10.0090.00023.41
8.3.00.0080.00019.21
8.2.180.0040.01116.50
8.2.170.0070.00722.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0050.00319.17
8.2.110.0030.00622.11
8.2.100.0070.00417.72
8.2.90.0040.00419.22
8.2.80.0030.00617.97
8.2.70.0060.00617.63
8.2.60.0030.00618.03
8.2.50.0040.00418.07
8.2.40.0040.00419.89
8.2.30.0070.00018.12
8.2.20.0040.00417.71
8.2.10.0040.00418.07
8.2.00.0030.00617.83
8.1.280.0150.00025.92
8.1.270.0060.00323.91
8.1.260.0030.01426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.14
8.1.230.0040.00719.16
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0030.00617.10
8.1.190.0080.00417.10
8.1.180.0060.00318.89
8.1.170.0070.00418.49
8.1.160.0040.00421.88
8.1.150.0000.00818.65
8.1.140.0050.00217.38
8.1.130.0070.00017.72
8.1.120.0000.00717.33
8.1.110.0040.00417.27
8.1.100.0000.00917.44
8.1.90.0040.00317.45
8.1.80.0050.00317.35
8.1.70.0000.00717.28
8.1.60.0030.00617.55
8.1.50.0040.00417.35
8.1.40.0040.00417.48
8.1.30.0030.00517.62
8.1.20.0000.00817.59
8.1.10.0000.00817.53
8.1.00.0050.00217.36
8.0.300.0080.00018.77
8.0.290.0040.00417.17
8.0.280.0070.00018.52
8.0.270.0000.00817.18
8.0.260.0030.00317.23
8.0.250.0000.00716.94
8.0.240.0030.00716.87
8.0.230.0000.00716.88
8.0.220.0000.00716.89
8.0.210.0070.00016.79
8.0.200.0070.00016.95
8.0.190.0030.00517.02
8.0.180.0070.00016.84
8.0.170.0030.00517.00
8.0.160.0000.00716.89
8.0.150.0000.00816.86
8.0.140.0050.00216.76
8.0.130.0060.00013.30
8.0.120.0040.00416.74
8.0.110.0040.00416.82
8.0.100.0030.00616.87
8.0.90.0000.00716.92
8.0.80.0080.00816.84
8.0.70.0040.00416.98
8.0.60.0040.00416.83
8.0.50.0000.00816.89
8.0.30.0110.01017.13
8.0.20.0140.00317.40
8.0.10.0040.00417.05
8.0.00.0090.00916.76
7.4.330.0020.00215.00
7.4.320.0000.00616.51
7.4.300.0000.00716.52
7.4.290.0030.00316.52
7.4.280.0000.00816.52
7.4.270.0030.00316.63
7.4.260.0000.00716.66
7.4.250.0070.00016.63
7.4.240.0040.00316.53
7.4.230.0030.00316.60
7.4.220.0060.01316.56
7.4.210.0080.00616.65
7.4.200.0000.00716.52
7.4.190.0080.00016.57
7.4.160.0100.01016.52
7.4.150.0080.00817.40
7.4.140.0070.01017.86
7.4.130.0100.00716.55
7.4.120.0080.01016.53
7.4.110.0080.01116.68
7.4.100.0080.01016.61
7.4.90.0030.01316.53
7.4.80.0140.01219.39
7.4.70.0120.00916.39
7.4.60.0140.00316.31
7.4.50.0030.00516.42
7.4.40.0060.01016.58
7.4.30.0080.00816.44
7.4.00.0060.00615.01
7.3.330.0050.00013.18
7.3.320.0000.00413.28
7.3.310.0000.00816.41
7.3.300.0070.00016.25
7.3.290.0040.01116.38
7.3.280.0080.00916.33
7.3.270.0130.00617.40
7.3.260.0030.01316.66
7.3.250.0110.00916.55
7.3.240.0110.01116.38
7.3.230.0030.01316.50
7.3.210.0080.00816.46
7.3.200.0080.01119.39
7.3.190.0070.01316.28
7.3.180.0130.00616.26
7.3.170.0100.01116.38
7.3.160.0080.00816.43
7.3.120.0030.01314.82
7.2.330.0120.00616.45
7.2.320.0170.00816.38
7.2.310.0060.01516.30
7.2.300.0150.00616.30
7.2.290.0080.00916.36
7.2.00.0030.01019.43
7.1.100.0030.00918.14
7.1.70.0040.00417.02
7.1.60.0080.00819.46
7.1.50.0180.01834.88
7.1.00.0070.07322.43
7.0.200.0040.00416.91
7.0.140.0030.06321.99
7.0.60.0170.07720.02
7.0.50.0100.07717.68
7.0.40.0030.08020.23
7.0.30.0330.07020.18
7.0.20.0300.07020.04
7.0.10.0070.08720.18
7.0.00.0030.04020.09
5.6.280.0070.07021.02
5.6.210.0030.08320.75
5.6.200.0070.05318.18
5.6.190.0100.06720.33
5.6.180.0500.07020.77
5.6.170.0230.07020.51
5.6.160.0030.05320.50
5.6.150.0070.08018.09
5.6.140.0100.07718.17
5.6.130.0170.07018.20
5.6.120.0100.08321.06
5.6.110.0070.08321.00
5.6.100.0100.05720.98
5.6.90.0100.08321.09
5.6.80.0230.05020.53
5.5.350.0330.07020.43
5.5.340.0070.07318.02
5.5.330.0100.04020.07
5.5.320.0130.05320.32
5.5.310.0170.04020.24
5.5.300.0100.08018.00
5.5.290.0030.04018.00
5.5.280.0130.03720.86
5.5.270.0000.05320.66
5.5.260.0130.07020.79
5.5.250.0100.08320.66
5.5.240.0030.08020.03
5.4.450.0230.05319.64
5.4.440.0800.06019.62
5.4.430.1100.05719.14
5.4.420.0830.05719.62
5.4.410.0900.07019.48
5.4.400.0830.05018.93
5.4.390.1270.05319.29
5.4.380.0130.07318.53
5.4.370.0130.05018.71
5.4.360.0070.05718.49
5.4.350.0130.05718.79
5.4.340.0230.04018.50
5.4.320.0070.03612.46
5.4.310.0060.03812.45
5.4.300.0060.03712.46
5.4.290.0050.04012.45
5.4.280.0040.03812.35
5.4.270.0030.03812.35
5.4.260.0040.03912.35
5.4.250.0060.04212.35
5.4.240.0050.04012.35
5.4.230.0050.04612.34
5.4.220.0110.03812.34
5.4.210.0090.04012.34
5.4.200.0070.04212.34
5.4.190.0140.04512.34
5.4.180.0090.05212.34
5.4.170.0130.03812.35
5.4.160.0080.05912.35
5.4.150.0080.05112.34
5.4.140.0140.04112.02
5.4.130.0060.05112.01
5.4.120.0100.05011.97
5.4.110.0060.04111.97
5.4.100.0110.03311.96
5.4.90.0080.04111.96
5.4.80.0070.04111.96
5.4.70.0110.04011.97
5.4.60.0070.05011.96
5.4.50.0090.05011.96
5.4.40.0080.04111.95
5.4.30.0130.04411.95
5.4.20.0120.04511.95
5.4.10.0100.05011.94
5.4.00.0080.05211.43
5.3.290.0060.03912.80
5.3.280.0100.05012.71
5.3.270.0130.06512.72
5.3.260.0080.06112.72
5.3.250.0060.04112.72
5.3.240.0110.04912.72
5.3.230.0070.05212.71
5.3.220.0070.05512.68
5.3.210.0090.07212.68
5.3.200.0070.05312.68
5.3.190.0060.05412.68
5.3.180.0060.06112.68
5.3.170.0080.05512.67
5.3.160.0070.05412.68
5.3.150.0070.05412.68
5.3.140.0070.03912.66
5.3.130.0110.05112.66
5.3.120.0090.04312.66
5.3.110.0070.04712.66
5.3.100.0070.04512.12
5.3.90.0090.04812.08
5.3.80.0060.04212.07
5.3.70.0080.03512.07
5.3.60.0060.04012.06
5.3.50.0080.03712.00
5.3.40.0070.03712.00
5.3.30.0070.03511.95
5.3.20.0070.03511.72
5.3.10.0110.03211.69
5.3.00.0070.03711.68
5.2.170.0040.0319.18
5.2.160.0040.0319.18
5.2.150.0040.0309.18
5.2.140.0050.0309.18
5.2.130.0070.0309.13
5.2.120.0050.0289.13
5.2.110.0080.0309.14
5.2.100.0050.0359.14
5.2.90.0070.0309.14
5.2.80.0060.0299.14
5.2.70.0070.0279.13
5.2.60.0050.0309.09
5.2.50.0050.0329.06
5.2.40.0040.0369.04
5.2.30.0060.0369.02
5.2.20.0080.0469.01
5.2.10.0040.0318.92
5.2.00.0070.0288.78
5.1.60.0040.0268.06
5.1.50.0060.0258.06
5.1.40.0060.0298.04
5.1.30.0100.0278.39
5.1.20.0050.0288.41
5.1.10.0080.0308.14
5.1.00.0040.0288.14
5.0.50.0020.0436.61
5.0.40.0070.0206.47
5.0.30.0030.0346.29
5.0.20.0030.0226.26
5.0.10.0050.0226.23
5.0.00.0030.0336.23
4.4.90.0020.0174.78
4.4.80.0030.0164.76
4.4.70.0040.0164.76
4.4.60.0030.0194.75
4.4.50.0030.0164.77
4.4.40.0030.0394.71
4.4.30.0040.0214.75
4.4.20.0050.0264.85
4.4.10.0030.0164.85
4.4.00.0040.0284.76
4.3.110.0030.0194.67
4.3.100.0050.0234.66
4.3.90.0020.0184.64
4.3.80.0020.0284.59
4.3.70.0030.0174.63
4.3.60.0040.0164.63
4.3.50.0070.0184.63
4.3.40.0080.0424.54
4.3.30.0020.0223.28
4.3.20.0030.0213.26
4.3.10.0040.0213.21
4.3.00.0000.01316.15

preferences:
36.84 ms | 401 KiB | 5 Q