3v4l.org

run code in 300+ PHP versions simultaneously
<?php function strToHex($string) { $hex=''; for ($i=0; $i < strlen($string); $i++) { $hex .= dechex(ord($string[$i])); } return $hex; } echo strToHex('moron123'); echo dec2hex('moron123');

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)
8.3.60.0100.00718.68
8.3.50.0140.00722.05
8.3.40.0120.00318.67
8.3.30.0090.00619.17
8.3.20.0040.00420.34
8.3.10.0080.00020.48
8.3.00.0070.00317.38
8.2.180.0040.01117.00
8.2.170.0120.00322.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00019.77
8.2.110.0060.00322.12
8.2.100.0110.00017.84
8.2.90.0040.00418.97
8.2.80.0080.00017.97
8.2.70.0090.00017.75
8.2.60.0000.00918.05
8.2.50.0000.00918.07
8.2.40.0080.00018.16
8.2.30.0030.00619.50
8.2.20.0050.00517.85
8.2.10.0050.00218.00
8.2.00.0050.00317.81
8.1.280.0130.00725.92
8.1.270.0040.00422.10
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00923.79
8.1.230.0110.00019.01
8.1.220.0000.00817.79
8.1.210.0050.00318.77
8.1.200.0060.00317.36
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00818.40
8.1.160.0040.00421.96
8.1.150.0070.00018.72
8.1.140.0040.00417.41
8.1.130.0000.00917.69
8.1.120.0030.00517.48
8.1.110.0000.00817.43
8.1.100.0040.00417.31
8.1.90.0060.00317.29
8.1.80.0000.00717.39
8.1.70.0000.00717.27
8.1.60.0050.00317.63
8.1.50.0040.00417.44
8.1.40.0040.00417.54
8.1.30.0050.00317.48
8.1.20.0030.00517.66
8.1.10.0040.00417.56
8.1.00.0000.00717.43
8.0.300.0030.00318.77
8.0.290.0070.00016.88
8.0.280.0070.00018.47
8.0.270.0040.00517.27
8.0.260.0040.00418.33
8.0.250.0040.00417.04
8.0.240.0040.00417.05
8.0.230.0040.00416.88
8.0.220.0030.00316.88
8.0.210.0030.00316.97
8.0.200.0000.00716.83
8.0.190.0070.00016.95
8.0.180.0040.00416.82
8.0.170.0030.00516.82
8.0.160.0040.00416.79
8.0.150.0070.00016.78
8.0.140.0000.00716.91
8.0.130.0030.00313.37
8.0.120.0030.00516.87
8.0.110.0030.00516.93
8.0.100.0030.00516.96
8.0.90.0050.00216.93
8.0.80.0060.01016.96
8.0.70.0050.00316.92
8.0.60.0000.00716.77
8.0.50.0050.00316.94
8.0.30.0130.00616.93
8.0.20.0040.01517.40
8.0.10.0040.00416.89
8.0.00.0110.00716.88
7.4.330.0000.00415.00
7.4.320.0060.00016.48
7.4.300.0060.00016.60
7.4.290.0030.00316.50
7.4.280.0040.00416.66
7.4.270.0070.00016.61
7.4.260.0040.00416.60
7.4.250.0030.00316.54
7.4.240.0010.00616.58
7.4.230.0070.00016.64
7.4.220.0070.01116.52
7.4.210.0070.00716.50
7.4.200.0070.00016.71
7.4.160.0090.01216.38
7.4.150.0090.00917.40
7.4.140.0130.00617.86
7.4.130.0070.01116.55
7.4.120.0050.01116.60
7.4.110.0090.00916.59
7.4.100.0110.01116.52
7.4.90.0030.01316.44
7.4.80.0100.00719.39
7.4.70.0060.01016.57
7.4.60.0000.01716.57
7.4.50.0040.00416.44
7.4.40.0090.00916.41
7.4.30.0160.00716.41
7.4.00.0080.01014.84
7.3.330.0040.00313.51
7.3.320.0050.00013.41
7.3.310.0000.00816.44
7.3.300.0030.00316.36
7.3.290.0070.01316.38
7.3.280.0090.00716.40
7.3.270.0140.00317.40
7.3.260.0150.00316.47
7.3.250.0100.00716.57
7.3.240.0030.01516.45
7.3.230.0060.00916.39
7.3.210.0130.00716.44
7.3.200.0120.00319.39
7.3.190.0030.01416.66
7.3.180.0090.00616.45
7.3.170.0100.00616.53
7.3.160.0080.00816.55
7.3.120.0050.01314.85
7.3.110.0030.01114.95
7.3.100.0060.00614.84
7.3.90.0080.00814.76
7.3.80.0040.01114.97
7.3.70.0120.00514.66
7.3.60.0080.00314.64
7.3.50.0080.00614.83
7.3.40.0020.00814.75
7.3.30.0050.01014.80
7.3.20.0000.01316.64
7.3.10.0060.00816.62
7.3.00.0040.01116.63
7.2.330.0140.00416.85
7.2.320.0090.00916.67
7.2.310.0130.01016.52
7.2.300.0040.01216.77
7.2.290.0140.00416.39
7.2.250.0060.00915.02
7.2.240.0050.01115.20
7.2.230.0070.00814.91
7.2.220.0070.00715.13
7.2.210.0100.00314.97
7.2.200.0090.00914.85
7.2.190.0080.00714.89
7.2.180.0020.01014.99
7.2.170.0070.00714.83
7.2.160.0040.01415.14
7.2.150.0110.00316.68
7.2.140.0070.01117.11
7.2.130.0030.01316.66
7.2.120.0040.01516.70
7.2.110.0080.00316.93
7.2.100.0070.01016.95
7.2.90.0030.01316.80
7.2.80.0040.00816.60
7.2.70.0140.00316.88
7.2.60.0070.01016.91
7.2.50.0110.00416.88
7.2.40.0070.01116.82
7.2.30.0090.00916.95
7.2.20.0100.00317.00
7.2.10.0120.00617.02
7.2.00.0090.00518.31
7.1.330.0030.01015.70
7.1.320.0020.00915.86
7.1.310.0020.01015.67
7.1.300.0080.00615.42
7.1.290.0050.00715.63
7.1.280.0040.00715.43
7.1.270.0040.00415.52
7.1.260.0080.00315.64
7.1.250.0120.00315.88
7.1.200.0220.00015.77
7.1.100.0070.00718.14
7.1.70.0040.00417.13
7.1.60.0100.01319.61
7.1.50.0130.01016.96
7.1.00.0070.06722.35
7.0.200.0000.01116.68
7.0.140.0030.07322.00
7.0.60.0030.08019.95
7.0.50.0130.03317.86
7.0.40.0030.07020.02
7.0.30.0400.06720.30
7.0.20.0270.07320.24
7.0.10.0030.08720.23
7.0.00.0030.09020.26
5.6.280.0000.07321.04
5.6.210.0170.07320.53
5.6.200.0070.08318.29
5.6.190.0000.04720.41
5.6.180.0270.07320.61
5.6.170.0270.05720.51
5.6.160.0130.03720.66
5.6.150.0030.08718.27
5.6.140.0030.05018.19
5.6.130.0130.05018.28
5.6.120.0230.06721.00
5.6.110.0000.04321.15
5.6.100.0100.07721.11
5.6.90.0030.04021.02
5.6.80.0130.04320.41
5.6.70.3870.03020.53
5.5.350.0200.07720.42
5.5.340.0100.06317.95
5.5.330.0070.07020.29
5.5.320.0230.04720.31
5.5.310.0430.06320.34
5.5.300.0030.08318.07
5.5.290.0170.04318.02
5.5.280.0170.07320.86
5.5.270.0170.07320.89
5.5.260.0170.04720.77
5.5.250.0030.06720.59
5.5.240.0200.03020.27
5.4.450.0270.04319.28
5.4.440.0370.04719.55
5.4.430.0370.04319.47
5.4.420.0270.04019.52
5.4.410.0400.03719.04
5.4.400.0630.03719.20
5.4.390.0370.03319.00
5.4.380.0400.06018.53
5.4.370.0200.06018.46
5.4.360.0230.05718.74
5.4.350.0230.06018.84
5.4.340.0300.05318.81
5.4.320.0100.03312.50
5.4.310.0030.04212.50
5.4.300.0080.03412.51
5.4.290.0070.03712.50
5.4.280.0070.03412.39
5.4.270.0080.03412.40
5.4.260.0050.04412.40
5.4.250.0060.04412.40
5.4.240.0030.04612.40
5.4.230.0080.03712.39
5.4.220.0040.03912.39
5.4.210.0060.04012.39
5.4.200.0050.03712.39
5.4.190.0060.03512.39
5.4.180.0060.03512.39
5.4.170.0030.03812.39
5.4.160.0060.03912.39
5.4.150.0060.03612.39
5.4.140.0060.03612.07
5.4.130.0030.03812.06
5.4.120.0060.03612.02
5.4.110.0050.03612.02
5.4.100.0030.03812.01
5.4.90.0050.03812.01
5.4.80.0080.03512.01
5.4.70.0120.03612.01
5.4.60.0070.04712.01
5.4.50.0030.03912.01
5.4.40.0050.03512.00
5.4.30.0030.03811.99
5.4.20.0020.03911.99
5.4.10.0040.03611.99
5.4.00.0060.03711.49
5.3.290.0020.04312.80
5.3.280.0050.04512.71
5.3.270.0100.03812.72
5.3.260.0050.04012.72
5.3.250.0060.03912.72
5.3.240.0080.03712.72
5.3.230.0100.03412.71
5.3.220.0050.03912.68
5.3.210.0080.03712.68
5.3.200.0050.03812.68
5.3.190.0060.03912.68
5.3.180.0080.03412.67
5.3.170.0080.03412.67
5.3.160.0040.04612.68
5.3.150.0070.03912.67
5.3.140.0060.04112.66
5.3.130.0070.03912.66
5.3.120.0050.04012.66
5.3.110.0070.03712.66
5.3.100.0050.03712.13
5.3.90.0080.03412.10
5.3.80.0080.03412.09
5.3.70.0040.04012.09
5.3.60.0060.03712.08
5.3.50.0090.03312.03
5.3.40.0080.03412.03
5.3.30.0090.03211.98
5.3.20.0070.03411.77
5.3.10.0050.03511.73
5.3.00.0100.03311.72
5.2.170.0060.0289.22
5.2.160.0070.0279.22
5.2.150.0050.0319.22
5.2.140.0070.0289.21
5.2.130.0050.0289.18
5.2.120.0060.0269.18
5.2.110.0040.0299.18
5.2.100.0050.0289.18
5.2.90.0070.0349.18
5.2.80.0060.0289.16
5.2.70.0060.0349.17
5.2.60.0070.0329.13
5.2.50.0060.0299.10
5.2.40.0080.0269.07
5.2.30.0040.0319.04
5.2.20.0010.0329.04
5.2.10.0030.0298.95
5.2.00.0030.0308.80
5.1.60.0040.0248.09
5.1.50.0010.0278.09
5.1.40.0040.0248.06
5.1.30.0050.0258.42
5.1.20.0070.0248.43
5.1.10.0030.0278.17
5.1.00.0010.0288.17
5.0.50.0050.0186.64
5.0.40.0010.0216.50
5.0.30.0050.0316.31
5.0.20.0030.0236.28
5.0.10.0010.0226.26
5.0.00.0030.0316.25
4.4.90.0030.0154.78
4.4.80.0050.0134.75
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0060.0134.77
4.4.40.0050.0234.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0040.0144.85
4.4.00.0020.0264.76
4.3.110.0090.0104.67
4.3.100.0050.0134.67
4.3.90.0010.0164.63
4.3.80.0040.0234.59
4.3.70.0040.0134.63
4.3.60.0030.0164.63
4.3.50.0040.0194.63
4.3.40.0030.0254.54
4.3.30.0030.0153.30
4.3.20.0020.0223.28
4.3.10.0020.0163.24
4.3.00.0000.01316.72

preferences:
44.5 ms | 401 KiB | 5 Q