3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row_ks2_level = '4'; if(stripos($row_ks2_level, '4') === 1) {echo "WOOP";} ?>

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)
8.3.60.0100.01016.50
8.3.50.0060.01121.91
8.3.40.0080.00818.71
8.3.30.0070.01119.00
8.3.20.0040.00420.24
8.3.10.0040.00423.48
8.3.00.0050.00321.01
8.2.180.0100.01016.50
8.2.170.0090.00622.96
8.2.160.0090.00620.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.01026.16
8.2.120.0000.00820.72
8.2.110.0070.00419.20
8.2.100.0100.00717.66
8.2.90.0060.00319.09
8.2.80.0080.00017.97
8.2.70.0000.00917.36
8.2.60.0060.00317.93
8.2.50.0080.00018.10
8.2.40.0040.00719.58
8.2.30.0040.00418.11
8.2.20.0000.00717.62
8.2.10.0030.00518.05
8.2.00.0000.00717.54
8.1.280.0130.00625.92
8.1.270.0030.00522.14
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0140.00422.21
8.1.230.0040.00717.70
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0040.00418.40
8.1.160.0000.00721.86
8.1.150.0070.00018.53
8.1.140.0070.00017.39
8.1.130.0030.00317.79
8.1.120.0000.00717.46
8.1.110.0000.00717.30
8.1.100.0000.00717.38
8.1.90.0040.00417.29
8.1.80.0030.00317.39
8.1.70.0070.00017.31
8.1.60.0050.00317.52
8.1.50.0030.00617.40
8.1.40.0000.00817.42
8.1.30.0060.00317.64
8.1.20.0070.00017.60
8.1.10.0040.00417.41
8.1.00.0030.00617.33
8.0.300.0040.00418.77
8.0.290.0080.00016.58
8.0.280.0070.00018.38
8.0.270.0030.00317.23
8.0.260.0000.00718.45
8.0.250.0020.00516.91
8.0.240.0040.00416.91
8.0.230.0000.00716.77
8.0.220.0000.00816.82
8.0.210.0030.00316.79
8.0.200.0000.00616.77
8.0.190.0030.00516.79
8.0.180.0040.00416.70
8.0.170.0040.00416.81
8.0.160.0070.00016.79
8.0.150.0000.00716.82
8.0.140.0070.00016.66
8.0.130.0040.00413.30
8.0.120.0000.00816.77
8.0.110.0000.00816.77
8.0.100.0000.00716.68
8.0.90.0030.00316.71
8.0.80.0000.01516.89
8.0.70.0040.00416.85
8.0.60.0000.00816.83
8.0.50.0040.00416.81
8.0.30.0080.01317.12
8.0.20.0090.00917.40
8.0.10.0020.00516.69
8.0.00.0060.01216.84
7.4.330.0000.00615.07
7.4.320.0080.00016.41
7.4.300.0030.00316.41
7.4.290.0070.00316.50
7.4.280.0000.00716.41
7.4.270.0070.00016.59
7.4.260.0000.00716.57
7.4.250.0000.00716.41
7.4.240.0050.00216.51
7.4.230.0030.00316.32
7.4.220.0070.01716.39
7.4.210.0060.00816.54
7.4.200.0000.00716.48
7.4.160.0190.00316.50
7.4.150.0110.00717.40
7.4.140.0060.01117.86
7.4.130.0100.00816.35
7.4.120.0080.00916.44
7.4.110.0100.01016.52
7.4.100.0170.00016.52
7.4.90.0080.00816.40
7.4.80.0100.00619.39
7.4.70.0110.00516.30
7.4.60.0040.01416.39
7.4.50.0000.00416.50
7.4.40.0120.00616.36
7.4.30.0080.00816.32
7.4.00.0030.01514.84
7.3.330.0060.00013.04
7.3.320.0000.00712.95
7.3.310.0030.00516.29
7.3.300.0040.00416.22
7.3.290.0080.00716.14
7.3.280.0120.00616.22
7.3.270.0100.00717.40
7.3.260.0110.00616.54
7.3.250.0100.00716.28
7.3.240.0030.01216.46
7.3.230.0090.00616.39
7.3.210.0160.00016.40
7.3.200.0180.00419.39
7.3.190.0130.00416.36
7.3.180.0130.01016.59
7.3.170.0040.01316.52
7.3.160.0000.01616.51
7.3.120.0040.01114.79
7.3.110.0000.01814.97
7.3.100.0060.00614.85
7.3.90.0040.01514.57
7.3.80.0060.01015.11
7.3.70.0100.00314.75
7.3.60.0040.01114.80
7.3.50.0030.01614.79
7.3.40.0090.00914.83
7.3.30.0030.01314.77
7.3.20.0000.01016.57
7.3.10.0030.01016.29
7.3.00.0100.00016.29
7.2.330.0070.01016.24
7.2.320.0070.01016.54
7.2.310.0070.01016.66
7.2.300.0060.00916.48
7.2.290.0120.00616.37
7.2.250.0110.00415.03
7.2.240.0070.01014.82
7.2.230.0090.00314.85
7.2.220.0030.01615.10
7.2.210.0060.01314.90
7.2.200.0070.00715.00
7.2.190.0100.01014.93
7.2.180.0040.01214.98
7.2.170.0030.01014.96
7.2.00.0070.00719.03
7.1.330.0090.00615.89
7.1.320.0160.00015.93
7.1.310.0040.01415.68
7.1.300.0060.00915.71
7.1.290.0070.01015.82
7.1.280.0040.01115.37
7.1.270.0030.01315.64
7.1.260.0070.00315.67
7.1.100.0000.00918.17
7.1.70.0090.00017.07
7.1.60.0030.00717.15
7.1.50.0070.00716.80
7.1.00.0070.07322.32
7.0.200.0070.00716.59
7.0.140.0000.07722.09
7.0.60.0000.05719.86
7.0.50.0070.05017.80
7.0.40.0070.08320.04
7.0.30.0400.06320.18
7.0.20.0230.05020.00
7.0.10.0100.05720.20
7.0.00.0030.09320.16
5.6.280.0000.07721.09
5.6.210.0200.06320.46
5.6.200.0070.08318.22
5.6.190.0130.08020.43
5.6.180.0300.04720.61
5.6.170.0200.05020.42
5.6.160.0000.04320.51
5.6.150.0070.06718.15
5.6.140.0030.09018.20
5.6.130.0070.06318.19
5.6.120.0130.08020.79
5.6.110.0130.07721.02
5.6.100.0030.04020.98
5.6.90.0130.07320.99
5.6.80.0170.06320.37
5.5.350.0100.05720.40
5.5.340.0070.04718.02
5.5.330.0030.04720.40
5.5.320.0300.06020.31
5.5.310.0100.04320.29
5.5.300.0030.08317.95
5.5.290.0130.07717.99
5.5.280.0030.04320.84
5.5.270.0030.08320.95
5.5.260.0100.07720.83
5.5.250.0070.08320.77
5.5.240.0230.07720.06
5.4.450.0270.05019.48
5.4.440.1330.07719.49
5.4.430.0770.05719.50
5.4.420.0830.06319.21
5.4.410.1100.06019.32
5.4.400.0930.07018.77
5.4.390.1100.06019.09
5.4.380.0100.05718.62
5.4.370.0030.06318.44
5.4.360.0130.05318.77
5.4.350.0200.04718.68
5.4.340.0130.05018.74
5.4.320.0060.03612.45
5.4.310.0110.03312.45
5.4.300.0060.03712.46
5.4.290.0070.03812.45
5.4.280.0090.03212.34
5.4.270.0040.04212.34
5.4.260.0100.03412.34
5.4.250.0080.03712.35
5.4.240.0090.03512.35
5.4.230.0100.03712.34
5.4.220.0100.03412.34
5.4.210.0070.03712.34
5.4.200.0130.03612.34
5.4.190.0100.04212.33
5.4.180.0100.05112.33
5.4.170.0090.04512.34
5.4.160.0110.04612.34
5.4.150.0120.04512.34
5.4.140.0140.04212.02
5.4.130.0060.03712.01
5.4.120.0110.03211.96
5.4.110.0090.03311.96
5.4.100.0070.03611.96
5.4.90.0060.04811.96
5.4.80.0120.03511.96
5.4.70.0060.03711.96
5.4.60.0070.03411.96
5.4.50.0120.03011.96
5.4.40.0070.03511.95
5.4.30.0050.03911.95
5.4.20.0060.03711.95
5.4.10.0070.03811.95
5.4.00.0070.03711.44
5.3.290.0060.05312.80
5.3.280.0050.04112.71
5.3.270.0040.04212.72
5.3.260.0040.04512.72
5.3.250.0050.04012.72
5.3.240.0090.03812.72
5.3.230.0100.03512.71
5.3.220.0090.04312.68
5.3.210.0070.04012.68
5.3.200.0090.03512.68
5.3.190.0110.03512.68
5.3.180.0070.03812.67
5.3.170.0050.03812.67
5.3.160.0090.04412.67
5.3.150.0060.04312.67
5.3.140.0040.04012.66
5.3.130.0080.03812.65
5.3.120.0060.04112.66
5.3.110.0050.04212.66
5.3.100.0080.03612.12
5.3.90.0060.03912.08
5.3.80.0050.03812.07
5.3.70.0050.04012.07
5.3.60.0070.04012.06
5.3.50.0070.03712.00
5.3.40.0070.03712.00
5.3.30.0090.03311.95
5.3.20.0050.03711.72
5.3.10.0090.03311.69
5.3.00.0070.03711.67
5.2.170.0060.0339.18
5.2.160.0060.0319.17
5.2.150.0060.0319.18
5.2.140.0040.0329.18
5.2.130.0060.0289.13
5.2.120.0040.0299.14
5.2.110.0030.0349.14
5.2.100.0050.0309.13
5.2.90.0070.0409.14
5.2.80.0110.0409.13
5.2.70.0040.0359.13
5.2.60.0050.0319.08
5.2.50.0040.0329.05
5.2.40.0040.0309.03
5.2.30.0030.0339.00
5.2.20.0060.0289.00
5.2.10.0040.0308.92
5.2.00.0050.0328.77
5.1.60.0050.0308.06
5.1.50.0060.0328.06
5.1.40.0040.0298.04
5.1.30.0080.0278.39
5.1.20.0070.0348.41
5.1.10.0060.0328.13
5.1.00.0060.0338.13
5.0.50.0070.0246.61
5.0.40.0080.0236.46
5.0.30.0050.0386.29
5.0.20.0030.0266.26
5.0.10.0040.0266.23
5.0.00.0040.0386.23
4.4.90.0040.0214.78
4.4.80.0050.0194.75
4.4.70.0060.0174.75
4.4.60.0030.0214.76
4.4.50.0040.0204.77
4.4.40.0040.0324.71
4.4.30.0040.0194.76
4.4.20.0050.0204.85
4.4.10.0040.0204.85
4.4.00.0030.0324.76
4.3.110.0020.0224.67
4.3.100.0040.0154.66
4.3.90.0030.0154.64
4.3.80.0050.0224.58
4.3.70.0040.0134.63
4.3.60.0040.0134.63
4.3.50.0080.0104.63
4.3.40.0030.0244.53
4.3.30.0040.0143.28
4.3.20.0010.0173.25
4.3.10.0050.0123.21
4.3.00.0130.01327.24

preferences:
43.83 ms | 401 KiB | 5 Q