3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = ""; $escape_char = $allowed_chars = array_fill_keys(range(0x32,0x255), "a"); $string = "hzgtfrzutrdetzttedcuztivcretfuzrtzt"; for ($i = 0; $i < strlen($string); $i++) { $ch = $string[$i]; if (isset($allowed_chars[ord($ch)])) { $o.=$allowed_chars[ord($ch)]; } else if (ord($ch) == 27) { $i++; $ch = $string[$i]; if (isset($escape_char[ord($ch)])) { $o.=$escape_char[ord($ch)]; } } } echo $o;

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)
8.3.40.0100.01018.97
8.3.30.0040.01419.08
8.3.20.0000.00720.25
8.3.10.0070.00022.14
8.3.00.0000.00822.45
8.2.170.0070.01122.96
8.2.160.0070.00721.12
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00019.36
8.2.110.0030.00620.38
8.2.100.0130.00017.91
8.2.90.0040.00419.37
8.2.80.0040.00417.97
8.2.70.0000.00917.50
8.2.60.0030.00617.93
8.2.50.0050.00318.07
8.2.40.0080.00018.16
8.2.30.0050.00218.06
8.2.20.0000.00817.73
8.2.10.0040.00419.57
8.2.00.0000.00717.63
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0030.01028.09
8.1.240.0030.00621.00
8.1.230.0090.00317.42
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0000.00817.35
8.1.190.0050.00517.39
8.1.180.0000.00818.10
8.1.170.0040.00418.50
8.1.160.0050.00521.95
8.1.150.0040.00418.65
8.1.140.0050.00317.34
8.1.130.0070.00017.84
8.1.120.0040.00417.42
8.1.110.0030.00517.41
8.1.100.0070.00017.39
8.1.90.0030.00417.40
8.1.80.0000.00717.46
8.1.70.0000.00717.41
8.1.60.0050.00317.44
8.1.50.0040.00417.37
8.1.40.0070.00017.47
8.1.30.0030.00617.48
8.1.20.0030.00617.64
8.1.10.0080.00017.48
8.1.00.0000.00817.61
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.41
8.0.270.0000.00717.36
8.0.260.0060.00016.76
8.0.250.0000.00716.95
8.0.240.0040.00417.00
8.0.230.0030.00316.89
8.0.220.0000.00716.90
8.0.210.0070.00016.75
8.0.200.0000.00616.93
8.0.190.0000.00716.87
8.0.180.0040.00416.84
8.0.170.0050.00316.92
8.0.160.0030.00516.80
8.0.150.0050.00516.77
8.0.140.0040.00416.82
8.0.130.0000.00613.33
8.0.120.0040.00416.71
8.0.110.0000.00716.77
8.0.100.0040.00416.96
8.0.90.0070.00016.73
8.0.80.0120.00316.89
8.0.70.0040.00416.75
8.0.60.0040.00416.71
8.0.50.0020.00516.81
8.0.30.0070.01416.95
8.0.20.0090.01117.40
8.0.10.0040.00416.78
8.0.00.0080.01016.85
7.4.330.0000.00515.00
7.4.320.0000.00716.62
7.4.300.0060.00016.46
7.4.290.0030.00316.48
7.4.280.0000.00716.51
7.4.270.0070.00416.55
7.4.260.0030.00316.38
7.4.250.0000.00816.44
7.4.240.0070.00016.52
7.4.230.0030.00316.22
7.4.220.0100.01416.59
7.4.210.0080.00716.54
7.4.200.0000.00716.57
7.4.190.0000.00716.73
7.4.160.0100.00616.52
7.4.150.0100.00717.40
7.4.140.0050.01217.86
7.4.130.0080.00916.54
7.4.120.0100.00716.53
7.4.110.0070.01316.63
7.4.100.0100.00716.47
7.4.90.0160.00616.42
7.4.80.0090.01316.33
7.4.70.0150.01216.56
7.4.60.0090.00616.55
7.4.50.0000.00816.40
7.4.40.0060.00922.77
7.4.30.0130.00316.41
7.4.00.0100.00714.95
7.3.330.0050.00013.27
7.3.320.0020.00213.20
7.3.310.0000.00716.40
7.3.300.0000.00716.42
7.3.290.0070.01016.39
7.3.280.0070.00816.36
7.3.270.0090.00917.40
7.3.260.0120.00616.69
7.3.250.0100.01316.53
7.3.240.0140.00516.62
7.3.230.0100.00616.45
7.3.210.0100.00716.57
7.3.200.0150.00819.39
7.3.190.0130.00916.47
7.3.180.0090.00616.38
7.3.170.0100.00716.53
7.3.160.0060.01016.52
7.3.120.0090.00614.61
7.2.330.0100.00716.79
7.2.320.0090.01316.60
7.2.310.0030.01316.69
7.2.300.0100.00716.54
7.2.290.0130.00316.52
7.2.00.0030.01319.44
7.1.100.0000.01118.02
7.1.70.0030.00317.02
7.1.60.0040.01117.05
7.1.50.0070.01617.14
7.1.00.0030.07722.35
7.0.200.0130.00316.82
7.0.140.0070.07022.12
7.0.60.0030.08020.04
7.0.50.0170.07017.95
7.0.40.0070.08020.19
7.0.30.0530.06720.14
7.0.20.0200.06720.13
7.0.10.0270.03720.09
7.0.00.0070.08720.32
5.6.280.0100.06720.81
5.6.210.0030.04720.79
5.6.200.0000.04318.22
5.6.190.0070.08720.61
5.6.180.0070.08020.77
5.6.170.0300.07320.50
5.6.160.0170.08020.38
5.6.150.0070.04018.20
5.6.140.0030.08318.19
5.6.130.0100.07318.21
5.6.120.0030.04321.18
5.6.110.0030.04721.11
5.6.100.0030.07321.16
5.6.90.0100.06320.98
5.6.80.0030.05720.44
5.6.70.0370.05320.46
5.5.350.0070.08020.42
5.5.340.0030.04318.00
5.5.330.0000.09020.22
5.5.320.0230.04020.13
5.5.310.0170.06020.23
5.5.300.0030.04017.97
5.5.290.0170.07017.95
5.5.280.0000.05020.93
5.5.270.0100.07720.87
5.5.260.0070.08720.90
5.5.250.0200.03020.64
5.5.240.0070.03720.19
5.4.450.0330.04719.46
5.4.440.0470.03719.46
5.4.430.1130.04319.21
5.4.420.0800.04019.45
5.4.410.0130.05319.09
5.4.400.0130.05018.86
5.4.390.0070.05718.76
5.4.380.0230.04718.79
5.4.370.0230.05318.79
5.4.360.0270.05018.80
5.4.350.0370.04718.59
5.4.340.0170.06018.63
5.4.320.0070.03612.59
5.4.310.0040.04112.58
5.4.300.0040.03912.59
5.4.290.0060.04412.58
5.4.280.0060.04412.45
5.4.270.0060.03612.46
5.4.260.0090.03512.45
5.4.250.0110.03312.46
5.4.240.0050.04512.45
5.4.230.0060.04112.45
5.4.220.0050.03812.45
5.4.210.0070.03612.45
5.4.200.0070.03612.45
5.4.190.0040.03812.45
5.4.180.0000.04112.44
5.4.170.0050.03612.46
5.4.160.0040.03712.45
5.4.150.0050.03712.45
5.4.140.0040.03912.13
5.4.130.0080.03312.12
5.4.120.0050.03512.07
5.4.110.0040.05012.07
5.4.100.0040.03812.07
5.4.90.0070.04112.07
5.4.80.0100.04312.07
5.4.70.0050.03512.07
5.4.60.0000.04012.07
5.4.50.0070.03712.07
5.4.40.0070.04712.06
5.4.30.0080.03312.06
5.4.20.0060.03412.05
5.4.10.0050.03912.05
5.4.00.0100.03611.55
5.3.290.0070.03912.84
5.3.280.0080.04412.75
5.3.270.0100.03512.76
5.3.260.0100.04912.76
5.3.250.0060.03712.76
5.3.240.0130.03612.76
5.3.230.0100.04212.75
5.3.220.0070.04212.72
5.3.210.0070.04412.72
5.3.200.0110.04712.72
5.3.190.0070.04812.72
5.3.180.0100.03112.72
5.3.170.0080.04012.71
5.3.160.0060.03512.72
5.3.150.0040.03912.72
5.3.140.0100.03212.71
5.3.130.0060.03912.70
5.3.120.0050.03912.70
5.3.110.0060.03812.70
5.3.100.0030.04012.19
5.3.90.0070.03512.17
5.3.80.0060.03612.16
5.3.70.0050.03712.16
5.3.60.0050.03712.15
5.3.50.0060.03512.09
5.3.40.0030.03912.09
5.3.30.0050.03512.05
5.3.20.0070.03411.83
5.3.10.0040.03611.80
5.3.00.0050.03611.79
5.2.170.0060.0379.28
5.2.160.0060.0279.28
5.2.150.0060.0299.28
5.2.140.0020.0329.28
5.2.130.0070.0269.24
5.2.120.0040.0299.24
5.2.110.0040.0299.25
5.2.100.0030.0299.24
5.2.90.0050.0279.24
5.2.80.0020.0329.24
5.2.70.0040.0299.23
5.2.60.0030.0319.18
5.2.50.0020.0329.16
5.2.40.0040.0299.13
5.2.30.0050.0289.11
5.2.20.0030.0299.10
5.2.10.0060.0269.03
5.2.00.0050.0288.89
5.1.60.0030.0248.05
5.1.50.0030.0258.05
5.1.40.0050.0238.03
5.1.30.0060.0238.38
5.1.20.0070.0368.40
5.1.10.0030.0348.13
5.1.00.0030.0258.13
5.0.50.0030.0206.61
5.0.40.0030.0196.48
5.0.30.0040.0306.29
5.0.20.0040.0186.26
5.0.10.0060.0306.24
5.0.00.0030.0366.23
4.4.90.0060.0124.78
4.4.80.0020.0164.76
4.4.70.0050.0134.75
4.4.60.0020.0214.76
4.4.50.0030.0264.77
4.4.40.0030.0254.71
4.4.30.0040.0144.76
4.4.20.0040.0154.84
4.4.10.0020.0164.85
4.4.00.0010.0264.76
4.3.110.0040.0144.67
4.3.100.0040.0134.66
4.3.90.0010.0164.63
4.3.80.0020.0254.59
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0020.0254.54
4.3.30.0040.0193.29
4.3.20.0020.0163.27
4.3.10.0000.0173.23
4.3.00.0230.01315.18

preferences:
40.24 ms | 400 KiB | 5 Q