3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "someString"; echo ord('z'); function rot13($str) { for ($i = 0,$l = strlen($str);$i<$l;$i++) { $str[$i] = chr(((ord($str[$i])-84)%26)+97); } } echo rot13('z').php_rot13('z');

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)
8.3.60.0160.00016.75
8.3.50.0090.00917.52
8.3.40.0040.01118.54
8.3.30.0140.00318.84
8.3.20.0080.00018.95
8.3.10.0090.00020.67
8.3.00.0040.00419.38
8.2.180.0040.01116.50
8.2.170.0090.00622.96
8.2.160.0070.01120.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0050.00319.49
8.2.110.0070.00321.02
8.2.100.0040.00717.94
8.2.90.0040.00419.30
8.2.80.0000.00818.05
8.2.70.0040.00417.62
8.2.60.0090.00017.93
8.2.50.0080.00018.07
8.2.40.0050.00318.34
8.2.30.0050.00518.00
8.2.20.0050.00317.66
8.2.10.0040.00417.80
8.2.00.0000.00817.86
8.1.280.0090.00625.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00420.83
8.1.230.0060.00620.94
8.1.220.0060.00317.78
8.1.210.0080.00018.78
8.1.200.0040.00417.36
8.1.190.0050.00317.66
8.1.180.0040.00418.10
8.1.170.0050.00318.96
8.1.160.0040.00418.76
8.1.150.0000.00718.55
8.1.140.0000.00817.36
8.1.130.0030.00317.82
8.1.120.0050.00317.46
8.1.110.0040.00417.51
8.1.100.0040.00417.38
8.1.90.0030.00517.49
8.1.80.0060.00317.45
8.1.70.0030.00517.45
8.1.60.0090.00017.55
8.1.50.0030.00517.43
8.1.40.0030.00517.54
8.1.30.0050.00317.69
8.1.20.0080.00017.69
8.1.10.0030.00617.49
8.1.00.0000.00817.45
8.0.300.0080.00019.98
8.0.290.0000.00816.75
8.0.280.0080.00018.35
8.0.270.0000.00717.16
8.0.260.0030.00316.88
8.0.250.0070.00016.92
8.0.240.0030.00316.89
8.0.230.0030.00316.92
8.0.220.0050.00217.00
8.0.210.0080.00016.92
8.0.200.0040.00417.05
8.0.190.0050.00217.10
8.0.180.0000.00716.94
8.0.170.0030.00616.95
8.0.160.0030.00616.96
8.0.150.0030.00616.89
8.0.140.0040.00416.91
8.0.130.0050.00013.38
8.0.120.0030.00516.95
8.0.110.0000.00716.87
8.0.100.0070.00016.82
8.0.90.0000.00816.88
8.0.80.0060.00916.94
8.0.70.0000.00817.02
8.0.60.0040.00417.02
8.0.50.0040.00416.89
8.0.30.0110.01217.30
8.0.20.0090.01017.20
8.0.10.0070.00017.01
8.0.00.0110.00717.04
7.4.330.0050.00012.98
7.4.320.0000.00616.61
7.4.300.0000.00616.55
7.4.290.0030.00316.58
7.4.280.0030.00616.45
7.4.270.0050.00316.50
7.4.260.0060.00013.27
7.4.250.0030.00616.50
7.4.240.0040.00416.57
7.4.230.0070.00016.62
7.4.220.0090.01316.46
7.4.210.0080.00816.60
7.4.200.0000.00816.35
7.4.190.0030.00316.55
7.4.160.0090.00616.42
7.4.150.0160.00316.54
7.4.140.0150.01016.49
7.4.130.0110.00616.59
7.4.120.0110.00716.57
7.4.110.0070.01116.46
7.4.100.0060.01016.73
7.4.90.0090.00916.48
7.4.80.0100.00716.74
7.4.70.0120.00816.57
7.4.60.0090.01416.52
7.4.50.0030.00616.51
7.4.40.0000.01416.44
7.4.30.0080.01016.58
7.4.00.0060.01014.90
7.3.330.0000.00713.46
7.3.320.0060.00013.20
7.3.310.0050.00316.44
7.3.300.0050.00316.28
7.3.290.0070.01316.35
7.3.280.0070.00916.41
7.3.270.0070.01016.52
7.3.260.0100.01116.46
7.3.250.0150.01116.43
7.3.240.0040.01216.58
7.3.230.0100.00616.36
7.3.210.0160.00016.48
7.3.200.0100.01019.39
7.3.190.0090.00916.50
7.3.180.0070.01016.28
7.3.170.0090.00916.67
7.3.160.0110.00516.69
7.3.120.0140.00315.00
7.3.110.0120.00614.86
7.3.100.0030.01014.93
7.3.90.0000.00915.11
7.3.80.0070.00414.71
7.3.70.0060.00314.87
7.3.60.0030.01314.92
7.3.50.0100.00714.79
7.3.40.0080.00414.71
7.3.30.0070.00714.61
7.3.20.0130.00016.63
7.3.10.0060.00916.67
7.3.00.0000.01616.73
7.2.330.0100.00616.51
7.2.320.0070.01016.69
7.2.310.0080.01516.92
7.2.300.0130.00316.73
7.2.290.0110.00616.57
7.2.250.0040.01215.01
7.2.240.0100.01015.05
7.2.230.0070.00415.26
7.2.220.0000.00915.30
7.2.210.0050.00515.15
7.2.200.0100.00015.06
7.2.190.0070.01015.17
7.2.180.0070.00415.06
7.2.170.0100.00314.98
7.2.60.0100.00316.67
7.2.00.0030.01019.61
7.1.330.0030.01215.77
7.1.320.0030.01015.73
7.1.310.0070.00715.59
7.1.300.0060.00915.87
7.1.290.0070.00715.95
7.1.280.0000.01215.82
7.1.270.0120.00315.76
7.1.260.0070.01015.65
7.1.200.0060.00615.77
7.1.100.0260.00617.64
7.1.70.0000.00916.92
7.1.60.0090.01519.40
7.1.50.0030.01916.95
7.1.00.0030.07322.50
7.0.200.0030.00516.75
7.0.140.0030.07321.93
7.0.120.0000.07322.05
7.0.60.0030.08019.94
7.0.50.0070.04717.91
7.0.40.0070.08320.27
7.0.30.0230.05020.17
7.0.20.0230.06020.20
7.0.10.0230.04020.10
7.0.00.0070.04020.30
5.6.280.0070.07321.13
5.6.210.0130.07320.55
5.6.200.0030.08318.16
5.6.190.0070.04020.58
5.6.180.0030.08320.34
5.6.170.0300.06020.50
5.6.160.0000.04320.51
5.6.150.0100.07718.14
5.6.140.0000.04318.18
5.6.130.0100.03318.15
5.6.120.0070.06321.13
5.6.110.0130.07721.01
5.6.100.0030.04021.12
5.6.90.0100.06021.11
5.6.80.0230.05020.41
5.6.70.3770.03720.28
5.5.350.0100.07020.35
5.5.340.0070.06317.99
5.5.330.0100.03720.31
5.5.320.0430.04020.27
5.5.310.0270.05020.34
5.5.300.0070.05318.08
5.5.290.0130.07317.95
5.5.280.0070.04020.75
5.5.270.0130.07720.84
5.5.260.0130.07320.74
5.5.250.0100.07720.69
5.5.240.0000.08720.26
5.4.450.0070.04319.47
5.4.440.0100.05019.33
5.4.430.0030.04719.24
5.4.420.0030.08019.56
5.4.410.0030.08319.43
5.4.400.0100.07719.12
5.4.390.0070.04018.85
5.4.380.0030.04019.20
5.4.370.0100.05019.24
5.4.360.0070.05319.01
5.4.350.0030.04018.92
5.4.340.0100.07319.24
5.4.320.0030.04319.20
5.4.310.0100.06718.85
5.4.300.0100.04018.85
5.4.290.0170.05018.99
5.4.280.0130.04319.14
5.4.270.0030.04719.23
5.4.260.0070.04718.99
5.4.250.0030.03719.19
5.4.240.0130.04018.85
5.4.230.0070.05019.14
5.4.220.0130.05018.95
5.4.210.0030.06319.14
5.4.200.0030.08018.84
5.4.190.0100.07319.23
5.4.180.0000.08319.24
5.4.170.0170.06319.23
5.4.160.0130.06719.13
5.4.150.0100.05718.98
5.4.140.0030.04716.41
5.4.130.0030.03316.38
5.4.120.0130.03016.32
5.4.110.0070.03316.29
5.4.100.0000.03716.39
5.4.90.0000.03716.49
5.4.80.0030.03316.41
5.4.70.0030.03316.33
5.4.60.0000.04016.25
5.4.50.0030.03316.40
5.4.40.0030.03716.38
5.4.30.0000.04316.34
5.4.20.0000.04016.46
5.4.10.0030.03316.62
5.4.00.0070.03315.98
5.3.290.0070.05314.70
5.3.280.0000.09014.48
5.3.270.0170.06714.59
5.3.260.0070.07314.60
5.3.250.0130.05314.63
5.3.240.0000.05014.63
5.3.230.0100.03314.64
5.3.220.0100.03014.45
5.3.210.0030.03714.63
5.3.200.0000.04014.48
5.3.190.0000.04014.61
5.3.180.0100.03314.56
5.3.170.0130.02714.55
5.3.160.0100.03014.63
5.3.150.0070.03314.48
5.3.140.0100.03014.58
5.3.130.0070.03714.69
5.3.120.0070.03714.58
5.3.110.0000.04014.60
5.3.100.0170.02314.07
5.3.90.0030.03714.05
5.3.80.0070.03014.09
5.3.70.0070.03314.06
5.3.60.0000.03713.97
5.3.50.0070.03314.09
5.3.40.0000.03713.95
5.3.30.0000.03713.90
5.3.20.0000.03713.85
5.3.10.0130.02313.70
5.3.00.0000.03713.66
5.2.170.0000.03311.30
5.2.160.0000.03311.19
5.2.150.0000.03311.30
5.2.140.0030.02711.20
5.2.130.0030.02711.11
5.2.120.0000.03011.18
5.2.110.0000.03011.05
5.2.100.0000.03011.13
5.2.90.0000.03011.13
5.2.80.0030.02711.11
5.2.70.0000.03711.25
5.2.60.0030.04011.02
5.2.50.0000.03011.09
5.2.40.0000.03011.05
5.2.30.0030.03710.96
5.2.20.0030.02711.11
5.2.10.0030.02711.01
5.2.00.0030.03010.60
5.1.60.0070.0239.95
5.1.50.0000.02710.06
5.1.40.0070.0339.93
5.1.30.0000.04010.37
5.1.20.0000.03710.31
5.1.10.0100.05310.12
5.1.00.0030.05310.07
5.0.50.0070.0378.51
5.0.40.0000.0278.47
5.0.30.0030.0578.27
5.0.20.0070.0308.34
5.0.10.0000.0408.22
5.0.00.0000.0478.25
4.4.90.0000.0177.52
4.4.80.0000.0177.52
4.4.70.0000.0177.52
4.4.60.0000.0207.52
4.4.50.0000.0177.52
4.4.40.0000.0307.52
4.4.30.0070.0277.52
4.4.20.0030.0307.52
4.4.10.0000.0377.52
4.4.00.0100.0477.52
4.3.110.0000.0377.52
4.3.100.0030.0337.52
4.3.90.0000.0337.52
4.3.80.0000.0277.52
4.3.70.0030.0277.52
4.3.60.0100.0207.52
4.3.50.0030.0337.52
4.3.40.0030.0507.52
4.3.30.0030.0307.52
4.3.20.0000.0207.52
4.3.10.0030.0137.52
4.3.00.0000.0177.52

preferences:
44.96 ms | 401 KiB | 5 Q