3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "ab cd ef gh"; echo "$a\n"; $b = strtr($a, array("ab"=>"cd", "cd"=>"ab")); echo "$b\n";

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)
8.3.60.0070.00716.50
8.3.50.0090.01022.84
8.3.40.0110.00418.64
8.3.30.0070.00718.84
8.3.20.0090.00620.12
8.3.10.0070.00319.73
8.3.00.0070.00719.13
8.2.180.0150.00018.42
8.2.170.0090.00622.96
8.2.160.0110.00420.28
8.2.150.0140.00424.18
8.2.140.0150.00324.66
8.2.130.0100.00326.16
8.2.120.0070.01021.10
8.2.110.0060.00320.52
8.2.100.0070.00318.22
8.2.90.0070.00019.05
8.2.80.0030.00517.97
8.2.70.0030.00617.63
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0070.00018.22
8.2.30.0070.00019.48
8.2.20.0040.00417.72
8.2.10.0040.00418.02
8.2.00.0030.00517.73
8.1.280.0070.01125.92
8.1.270.0060.00323.87
8.1.260.0070.00026.35
8.1.250.0070.00728.09
8.1.240.0060.00323.75
8.1.230.0070.00419.14
8.1.220.0040.00417.91
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00818.54
8.1.160.0040.00421.93
8.1.150.0040.00418.86
8.1.140.0000.00817.25
8.1.130.0050.00317.82
8.1.120.0000.00817.40
8.1.110.0030.00617.42
8.1.100.0070.00017.35
8.1.90.0040.00417.39
8.1.80.0000.00717.29
8.1.70.0040.00417.24
8.1.60.0030.00617.49
8.1.50.0090.00017.42
8.1.40.0080.00017.32
8.1.30.0040.00417.54
8.1.20.0040.00417.51
8.1.10.0000.00717.54
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00918.43
8.0.270.0030.00317.14
8.0.260.0030.00317.26
8.0.250.0000.00716.91
8.0.240.0030.00316.95
8.0.230.0050.00316.85
8.0.220.0030.00316.79
8.0.210.0030.00316.84
8.0.200.0030.00316.93
8.0.190.0000.00716.88
8.0.180.0040.00416.94
8.0.170.0000.00817.00
8.0.160.0030.00516.95
8.0.150.0000.00816.90
8.0.140.0000.00716.90
8.0.130.0050.00013.25
8.0.120.0070.00316.91
8.0.110.0030.00416.80
8.0.100.0070.00016.75
8.0.90.0050.00216.77
8.0.80.0160.00616.91
8.0.70.0000.00716.94
8.0.60.0000.00816.75
8.0.50.0000.00716.99
8.0.30.0060.01517.01
8.0.20.0100.01017.40
8.0.10.0000.00716.90
8.0.00.0080.00916.62
7.4.330.0060.00015.00
7.4.320.0000.00716.58
7.4.300.0060.00016.54
7.4.290.0000.00716.33
7.4.280.0050.00316.45
7.4.270.0000.00716.48
7.4.260.0000.00816.32
7.4.250.0040.00416.46
7.4.240.0000.00716.45
7.4.230.0000.00716.61
7.4.220.0120.00816.59
7.4.210.0160.00316.54
7.4.200.0070.00016.28
7.4.160.0040.01316.29
7.4.150.0120.00617.40
7.4.140.0120.00917.86
7.4.130.0120.00516.54
7.4.120.0090.00716.35
7.4.110.0130.00516.40
7.4.100.0180.00316.51
7.4.90.0090.00916.33
7.4.80.0060.01319.39
7.4.70.0070.01416.34
7.4.60.0030.01516.44
7.4.50.0020.00216.53
7.4.40.0060.01016.56
7.4.30.0060.00916.38
7.4.00.0030.01314.98
7.3.330.0050.00013.06
7.3.320.0050.00012.92
7.3.310.0080.00016.14
7.3.300.0030.00316.23
7.3.290.0070.01016.15
7.3.280.0110.00516.29
7.3.270.0100.00717.40
7.3.260.0120.00616.51
7.3.250.0090.00816.55
7.3.240.0030.01416.57
7.3.230.0030.01716.39
7.3.210.0100.00716.22
7.3.200.0040.01216.35
7.3.190.0080.01116.32
7.3.180.0030.01216.45
7.3.170.0080.00816.50
7.3.160.0050.01116.25
7.2.330.0070.01116.43
7.2.320.0070.01016.52
7.2.310.0260.02216.61
7.2.300.0080.01216.39
7.2.290.0070.01016.55
7.2.00.0030.01419.32
7.1.100.0030.00917.70
7.1.70.0000.00817.10
7.1.60.0120.01219.46
7.1.50.0030.01716.93
7.1.00.0100.07022.36
7.0.200.0160.00414.62
7.0.140.0030.06722.18
7.0.60.0070.07019.93
7.0.50.0070.08017.85
7.0.40.0000.06320.27
7.0.30.0570.05720.04
7.0.20.0200.05020.09
7.0.10.0070.07020.13
7.0.00.0130.07720.19
5.6.280.0000.07720.86
5.6.210.0030.04020.68
5.6.200.0130.05018.12
5.6.190.0170.07320.77
5.6.180.0570.06020.67
5.6.170.0370.07020.57
5.6.160.0000.04320.40
5.6.150.0070.04018.14
5.6.140.0030.04718.16
5.6.130.0070.05718.09
5.6.120.0100.08020.78
5.6.110.0200.06720.96
5.6.100.0030.09020.97
5.6.90.0170.08020.96
5.6.80.0030.04720.28
5.5.350.0270.07020.47
5.5.340.0100.07717.98
5.5.330.0100.08720.14
5.5.320.0330.08020.27
5.5.310.0300.06020.20
5.5.300.0100.07018.02
5.5.290.0030.05017.95
5.5.280.0100.08320.88
5.5.270.0070.06720.86
5.5.260.0070.08720.75
5.5.250.0100.07320.66
5.5.240.0230.07020.06
5.4.450.0430.04019.26
5.4.440.0100.05319.46
5.4.430.0300.04719.54
5.4.420.0330.04019.14
5.4.410.0330.04019.11
5.4.400.0330.04019.10
5.4.390.0300.03019.06
5.4.380.0230.05718.64
5.4.370.0130.05718.49
5.4.360.0300.05318.55
5.4.350.0270.05318.48
5.4.340.0370.05018.77
5.4.320.0060.03612.45
5.4.310.0050.03912.45
5.4.300.0040.03812.46
5.4.290.0050.03712.45
5.4.280.0050.03612.34
5.4.270.0030.03912.35
5.4.260.0090.03512.34
5.4.250.0070.03612.35
5.4.240.0040.03712.35
5.4.230.0060.03712.34
5.4.220.0040.04012.34
5.4.210.0070.03412.34
5.4.200.0050.03812.34
5.4.190.0070.04012.34
5.4.180.0070.04212.33
5.4.170.0060.03512.34
5.4.160.0050.03612.34
5.4.150.0030.03812.34
5.4.140.0050.05112.02
5.4.130.0040.04412.01
5.4.120.0050.03411.97
5.4.110.0050.03811.96
5.4.100.0020.03911.96
5.4.90.0070.03411.96
5.4.80.0080.03711.96
5.4.70.0040.03611.96
5.4.60.0070.03211.96
5.4.50.0100.03711.96
5.4.40.0090.03411.95
5.4.30.0040.04211.95
5.4.20.0060.04111.95
5.4.10.0080.03611.94
5.4.00.0060.03911.43
5.3.290.0100.04112.80
5.3.280.0060.04112.71
5.3.270.0080.04312.72
5.3.260.0070.04012.72
5.3.250.0110.03912.71
5.3.240.0050.03612.72
5.3.230.0080.03712.71
5.3.220.0040.04412.68
5.3.210.0020.04112.68
5.3.200.0070.04212.68
5.3.190.0060.04312.68
5.3.180.0070.03612.68
5.3.170.0040.03912.67
5.3.160.0050.03712.67
5.3.150.0060.04212.67
5.3.140.0070.03512.66
5.3.130.0030.04112.66
5.3.120.0090.04412.66
5.3.110.0080.04512.66
5.3.100.0050.04712.12
5.3.90.0040.03912.08
5.3.80.0060.03612.07
5.3.70.0060.03612.07
5.3.60.0080.03412.06
5.3.50.0050.03712.00
5.3.40.0040.03912.00
5.3.30.0090.03111.94
5.3.20.0070.03411.72
5.3.10.0070.03311.69
5.3.00.0040.03711.67
5.2.170.0040.0309.17
5.2.160.0060.0289.18
5.2.150.0050.0309.18
5.2.140.0060.0299.17
5.2.130.0030.0309.13
5.2.120.0020.0309.14
5.2.110.0060.0379.14
5.2.100.0030.0299.14
5.2.90.0090.0299.14
5.2.80.0100.0269.13
5.2.70.0030.0319.14
5.2.60.0070.0449.09
5.2.50.0070.0369.06
5.2.40.0060.0349.04
5.2.30.0020.0479.00
5.2.20.0050.0379.00
5.2.10.0070.0368.92
5.2.00.0070.0398.77
5.1.60.0070.0258.06
5.1.50.0060.0288.06
5.1.40.0060.0238.04
5.1.30.0060.0308.39
5.1.20.0090.0238.41
5.1.10.0030.0278.14
5.1.00.0080.0218.13
5.0.50.0060.0276.61
5.0.40.0060.0266.46
5.0.30.0060.0376.29
5.0.20.0050.0266.26
5.0.10.0060.0276.23
5.0.00.0020.0386.23
4.4.90.0070.0314.78
4.4.80.0040.0164.75
4.4.70.0030.0164.76
4.4.60.0060.0184.76
4.4.50.0030.0154.77
4.4.40.0060.0264.70
4.4.30.0020.0194.76
4.4.20.0050.0184.85
4.4.10.0040.0144.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0000.0174.66
4.3.90.0020.0164.64
4.3.80.0020.0254.59
4.3.70.0040.0154.63
4.3.60.0030.0154.63
4.3.50.0030.0164.63
4.3.40.0050.0294.54
4.3.30.0040.0153.29
4.3.20.0040.0193.25
4.3.10.0010.0163.21
4.3.00.0030.02014.92

preferences:
37.56 ms | 401 KiB | 5 Q