3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "COenrdmr"; //$str = "12346578"; $str[0] = chr(ord($str[0]) + hexdec('6b') - hexdec('42')); $str[1] = chr(ord($str[1]) + hexdec('61') - hexdec('65')); $str[2] = chr(ord($str[2]) + hexdec('61') - hexdec('65')); $str[3] = chr(ord($str[3]) + hexdec('79') - hexdec('47')); $str[4] = chr(ord($str[4]) - hexdec('79') + hexdec('47')); $str[5] = chr(ord($str[5]) - hexdec('62') + hexdec('65')); $str[6] = chr(ord($str[6]) - hexdec('61') + hexdec('65')); $str[7] = chr(ord($str[7]) - hexdec('42') + hexdec('6B')); var_dump($str);

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)
8.3.60.0090.01216.75
8.3.50.0180.00022.05
8.3.40.0070.01418.84
8.3.30.0140.00319.20
8.3.20.0000.00720.38
8.3.10.0030.00521.95
8.3.00.0000.00819.38
8.2.180.0040.01118.43
8.2.170.0060.00922.96
8.2.160.0090.00620.57
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0080.00019.36
8.2.110.0030.00720.52
8.2.100.0070.00417.72
8.2.90.0060.00317.91
8.2.80.0060.00319.41
8.2.70.0000.00817.75
8.2.60.0000.00817.50
8.2.50.0030.00617.63
8.2.40.0090.00020.07
8.2.30.0040.00418.22
8.2.20.0040.00417.71
8.2.10.0030.00618.16
8.2.00.0040.00417.65
8.1.280.0180.00425.92
8.1.270.0080.00019.00
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0030.00720.77
8.1.230.0000.01120.89
8.1.220.0000.00817.79
8.1.210.0030.00618.77
8.1.200.0080.00017.22
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0040.00417.62
8.1.160.0030.00518.79
8.1.150.0050.00318.83
8.1.140.0020.00517.48
8.1.130.0000.00717.78
8.1.120.0070.00317.44
8.1.110.0000.00717.51
8.1.100.0050.00317.36
8.1.90.0070.00017.39
8.1.80.0040.00317.36
8.1.70.0030.00317.50
8.1.60.0000.00817.61
8.1.50.0040.00417.54
8.1.40.0000.00717.56
8.1.30.0040.00417.75
8.1.20.0040.00417.58
8.1.10.0000.00817.61
8.1.00.0000.00817.54
8.0.300.0000.00719.93
8.0.290.0000.00716.75
8.0.280.0030.00318.48
8.0.270.0030.00317.35
8.0.260.0000.00717.16
8.0.250.0000.00717.03
8.0.240.0030.00317.00
8.0.230.0070.00016.90
8.0.220.0000.00716.79
8.0.210.0000.00716.91
8.0.200.0030.00317.01
8.0.190.0040.00416.85
8.0.180.0070.00016.96
8.0.170.0030.00516.97
8.0.160.0040.00416.84
8.0.150.0040.00416.75
8.0.140.0040.00416.88
8.0.130.0100.00013.35
8.0.120.0020.00516.94
8.0.110.0040.00416.75
8.0.100.0070.00016.87
8.0.90.0040.00416.80
8.0.80.0040.01516.93
8.0.70.0040.00416.96
8.0.60.0000.00716.73
8.0.50.0050.00316.79
8.0.30.0070.00817.09
8.0.20.0280.02517.43
8.0.10.0000.00717.07
8.0.00.0100.00916.88
7.4.330.0050.00015.12
7.4.320.0070.00016.53
7.4.300.0030.00316.59
7.4.290.0040.00416.39
7.4.280.0000.00816.43
7.4.270.0000.00716.68
7.4.260.0020.00516.54
7.4.250.0040.00416.49
7.4.240.0040.00416.63
7.4.230.0000.00716.33
7.4.220.0120.00616.65
7.4.210.0110.00516.67
7.4.200.0070.00016.67
7.4.160.0130.00316.50
7.4.150.0000.01817.40
7.4.140.0060.01317.86
7.4.130.0060.01116.69
7.4.120.0130.00516.56
7.4.110.0060.01116.51
7.4.100.0000.01716.47
7.4.90.0100.00616.43
7.4.80.0130.00619.39
7.4.70.0120.00616.39
7.4.60.0140.00416.46
7.4.50.0050.00316.27
7.4.40.0000.01716.38
7.4.30.0000.02116.54
7.4.00.0080.00814.97
7.3.330.0000.00713.03
7.3.320.0000.01113.19
7.3.310.0000.00716.34
7.3.300.0030.00316.24
7.3.290.0070.00016.16
7.3.280.0090.00816.29
7.3.270.0090.00917.40
7.3.260.0100.00616.21
7.3.250.0090.00916.26
7.3.240.0130.00316.30
7.3.230.0140.00616.59
7.3.210.0070.01016.29
7.3.200.0070.01019.39
7.3.190.0080.00816.34
7.3.180.0060.01316.52
7.3.170.0140.00316.34
7.3.160.0110.00716.53
7.3.120.0110.00714.80
7.3.110.0100.00715.00
7.3.100.0120.00314.79
7.3.90.0090.00914.70
7.3.80.0040.01514.96
7.3.70.0100.00714.93
7.3.60.0000.01514.76
7.3.50.0120.00314.78
7.3.40.0140.00314.45
7.3.30.0000.01014.64
7.3.20.0100.00016.86
7.3.10.0070.00716.31
7.3.00.0060.00916.68
7.2.330.0090.01216.59
7.2.320.0100.01016.63
7.2.310.0190.00316.55
7.2.300.0070.01016.66
7.2.290.0090.01316.70
7.2.250.0070.01015.31
7.2.240.0140.00715.00
7.2.230.0130.00315.20
7.2.220.0070.00715.17
7.2.210.0100.00615.30
7.2.200.0070.00414.82
7.2.190.0100.00715.24
7.2.180.0030.01315.05
7.2.170.0070.01115.20
7.2.80.0060.00316.61
7.2.00.0000.01219.20
7.1.330.0000.01515.73
7.1.320.0000.01115.93
7.1.310.0100.00315.56
7.1.300.0040.00815.58
7.1.290.0070.00715.80
7.1.280.0100.00615.65
7.1.270.0070.00715.69
7.1.260.0000.01015.79
7.1.200.0030.00915.47
7.1.100.0030.00918.29
7.1.70.0030.01217.14
7.1.60.0100.01319.50
7.1.50.0130.01016.95
7.1.00.0070.07322.57
7.0.200.0210.00414.81
7.0.140.0070.05722.09
7.0.60.0100.06719.89
7.0.50.0030.07317.82
7.0.40.0130.03720.08
7.0.30.0230.07720.18
7.0.20.0230.08020.20
7.0.10.0200.04720.02
7.0.00.0070.04020.07
5.6.280.0030.07321.03
5.6.210.0070.04320.70
5.6.200.0100.07718.21
5.6.190.0170.07320.57
5.6.180.0400.06320.42
5.6.170.0330.06720.54
5.6.160.0030.04320.48
5.6.150.0070.07718.14
5.6.140.0070.06718.20
5.6.130.0070.05718.14
5.6.120.0030.06721.02
5.6.110.0100.08320.90
5.6.100.0270.06321.05
5.6.90.0230.06321.14
5.6.80.0000.05320.41
5.6.70.0130.08020.38
5.5.350.0370.07020.44
5.5.340.0070.03718.02
5.5.330.0170.07720.22
5.5.320.0030.05320.21
5.5.310.0330.06320.34
5.5.300.0070.08018.02
5.5.290.0000.06717.95
5.5.280.0030.04320.86
5.5.270.0030.04720.80
5.5.260.0170.06020.76
5.5.250.0170.05720.50
5.5.240.0100.05720.36
5.4.450.0300.05719.61
5.4.440.0800.05719.41
5.4.430.1030.05719.59
5.4.420.0800.04719.47
5.4.410.0200.05718.93
5.4.400.0270.08718.77
5.4.390.0300.08718.47
5.4.380.0300.07718.78
5.4.370.0400.07018.50
5.4.360.0300.07018.64
5.4.350.0500.07318.66
5.4.340.0970.06318.67
5.4.320.0430.05318.60
5.4.310.0270.04718.71
5.4.300.0270.05318.71
5.4.290.1900.05318.53
5.4.280.0300.08318.51
5.4.270.0170.06318.49
5.4.260.0330.05718.60
5.4.250.0170.07718.69
5.4.240.0400.05318.68
5.4.230.0200.06718.71
5.4.220.0200.07318.48
5.4.210.0270.05018.59
5.4.200.0270.05016.38
5.4.190.0330.04718.54
5.4.180.0300.05718.70
5.4.170.0170.06718.72
5.4.160.0230.06318.45
5.4.150.0500.05318.48
5.4.140.0370.04716.18
5.4.130.0530.04016.36
5.4.120.0400.04716.13
5.4.110.0330.04716.25
5.4.100.0530.06316.26
5.4.90.0300.06316.20
5.4.80.0200.05716.16
5.4.70.0400.05716.06
5.4.60.0200.05316.30
5.4.50.0300.05316.14
5.4.40.0370.05716.32
5.4.30.0370.05716.08
5.4.20.0230.07016.32
5.4.10.0470.04016.04
5.4.00.0400.07015.78
5.3.290.0330.06014.59
5.3.280.0300.06314.70
5.3.270.0400.06014.56
5.3.260.0370.07014.62
5.3.250.0370.06314.70
5.3.240.0400.07314.63
5.3.230.0300.06014.52
5.3.220.0530.05314.52
5.3.210.0370.07314.57
5.3.200.0230.06714.55
5.3.190.0330.06014.61
5.3.180.0330.06714.55
5.3.170.0400.05314.63
5.3.160.0330.05714.56
5.3.150.0400.05314.50
5.3.140.0330.05714.54
5.3.130.0270.06314.53
5.3.120.0130.06714.56
5.3.110.0530.05314.56
5.3.100.0330.06313.94
5.3.90.0400.06314.13
5.3.80.0370.05314.13
5.3.70.0200.05713.96
5.3.60.0230.07313.98
5.3.50.0270.05714.04
5.3.40.0300.05013.96
5.3.30.0370.05013.83
5.3.20.0300.05013.61
5.3.10.0300.05313.63
5.3.00.0370.05313.56
5.2.170.0200.03711.16
5.2.160.0230.04311.04
5.2.150.0230.06011.07
5.2.140.0230.04311.19
5.2.130.0330.03711.11
5.2.120.0270.05311.15
5.2.110.0170.04711.05
5.2.100.0300.04011.07
5.2.90.0200.05311.08
5.2.80.0200.05711.08
5.2.70.0230.05011.08
5.2.60.0370.05311.10
5.2.50.0330.05711.09
5.2.40.0300.03711.00
5.2.30.0270.03711.02
5.2.20.0330.04010.94
5.2.10.0270.03310.98
5.2.00.0130.05010.79
5.1.60.0270.02710.03
5.1.50.0200.04010.12
5.1.40.0330.04010.02
5.1.30.0230.03710.36
5.1.20.0330.03010.41
5.1.10.0230.03710.13
5.1.00.0170.05710.20
5.0.50.0170.0308.65
5.0.40.0100.0308.44
5.0.30.0200.0408.27
5.0.20.0070.0338.30
5.0.10.0070.0338.18
5.0.00.0070.0538.19
4.4.90.0070.0275.94
4.4.80.0130.0235.93
4.4.70.0230.0175.88
4.4.60.0100.0275.89
4.4.50.0130.0275.83
4.4.40.0030.0505.91
4.4.30.0070.0275.83
4.4.20.0100.0305.97
4.4.10.0070.0305.99
4.4.00.0130.0375.90
4.3.110.0130.0235.81
4.3.100.0130.0205.80
4.3.90.0200.0235.81
4.3.80.0000.0475.80
4.3.70.0070.0205.94
4.3.60.0100.0235.84
4.3.50.0070.0305.83
4.3.40.0100.0375.89
4.3.30.0000.0304.57
4.3.20.0070.0234.55
4.3.10.0070.0274.63
4.3.00.0170.0276.63

preferences:
42.86 ms | 401 KiB | 5 Q