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');

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)
8.3.60.0070.01018.55
8.3.50.0190.00222.16
8.3.40.0000.01518.66
8.3.30.0110.00319.09
8.3.20.0050.00220.24
8.3.10.0060.00320.62
8.3.00.0060.00317.38
8.2.180.0090.00616.63
8.2.170.0100.00722.96
8.2.160.0140.00020.34
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0050.00326.16
8.2.120.0070.00022.09
8.2.110.0080.00020.35
8.2.100.0080.00417.85
8.2.90.0000.00818.34
8.2.80.0000.00817.97
8.2.70.0060.00317.38
8.2.60.0000.00818.16
8.2.50.0080.00018.07
8.2.40.0070.00018.28
8.2.30.0070.00019.36
8.2.20.0000.01017.67
8.2.10.0050.00318.00
8.2.00.0000.00817.68
8.1.280.0110.00425.92
8.1.270.0070.00022.05
8.1.260.0040.00426.35
8.1.250.0030.01028.09
8.1.240.0000.00922.19
8.1.230.0060.00620.70
8.1.220.0000.00717.79
8.1.210.0070.00018.84
8.1.200.0030.00617.23
8.1.190.0000.00817.00
8.1.180.0080.00018.10
8.1.170.0000.00818.59
8.1.160.0030.00521.86
8.1.150.0040.00418.86
8.1.140.0030.00617.38
8.1.130.0040.00217.74
8.1.120.0000.00717.41
8.1.110.0080.00017.44
8.1.100.0040.00417.38
8.1.90.0030.00617.33
8.1.80.0000.00717.44
8.1.70.0030.00317.30
8.1.60.0000.00717.47
8.1.50.0000.00717.39
8.1.40.0050.00317.57
8.1.30.0070.00317.61
8.1.20.0050.00217.61
8.1.10.0050.00317.57
8.1.00.0080.00017.58
8.0.300.0040.00420.04
8.0.290.0000.00716.63
8.0.280.0000.00718.44
8.0.270.0080.00017.26
8.0.260.0040.00417.18
8.0.250.0000.00716.98
8.0.240.0000.00716.92
8.0.230.0000.00716.91
8.0.220.0030.00316.75
8.0.210.0030.00316.88
8.0.200.0030.00316.78
8.0.190.0090.00016.91
8.0.180.0000.00716.74
8.0.170.0000.00816.82
8.0.160.0070.00016.72
8.0.150.0030.00316.71
8.0.140.0000.00816.75
8.0.130.0000.00613.22
8.0.120.0030.00516.80
8.0.110.0040.00416.76
8.0.100.0040.00416.89
8.0.90.0040.00416.83
8.0.80.0090.00616.84
8.0.70.0000.00716.82
8.0.60.0070.00016.95
8.0.50.0080.00016.81
8.0.30.0080.01217.01
8.0.20.0060.01417.40
8.0.10.0070.00016.91
8.0.00.0070.01116.85
7.4.330.0050.00015.00
7.4.320.0070.00016.55
7.4.300.0050.00216.62
7.4.290.0000.00716.65
7.4.280.0000.00816.41
7.4.270.0000.00816.45
7.4.260.0030.00616.62
7.4.250.0080.00016.48
7.4.240.0030.00416.51
7.4.230.0030.00316.67
7.4.220.0120.00616.62
7.4.210.0030.01016.47
7.4.200.0030.00416.33
7.4.160.0190.01916.54
7.4.150.0040.01817.40
7.4.140.0090.00917.86
7.4.130.0120.00516.47
7.4.120.0060.01016.54
7.4.110.0060.00916.63
7.4.100.0090.00916.50
7.4.90.0080.00816.50
7.4.80.0130.00919.39
7.4.70.0130.00416.59
7.4.60.0100.00616.39
7.4.50.0000.00816.68
7.4.40.0080.00816.56
7.4.30.0040.01316.49
7.4.00.0060.01214.66
7.3.330.0000.00613.39
7.3.320.0060.00013.20
7.3.310.0050.00316.39
7.3.300.0000.00716.43
7.3.290.0110.00316.35
7.3.280.0060.01016.43
7.3.270.0110.00717.40
7.3.260.0170.00616.50
7.3.250.0130.00616.63
7.3.240.0160.00616.34
7.3.230.0190.00316.59
7.3.210.0120.00616.54
7.3.200.0100.01019.39
7.3.190.0100.01016.61
7.3.180.0110.00416.59
7.3.170.0090.00616.36
7.3.160.0070.01016.62
7.3.120.0090.00914.59
7.3.110.0130.00614.82
7.3.100.0110.00415.14
7.3.90.0070.01014.77
7.3.80.0030.01214.69
7.3.70.0040.00814.82
7.3.60.0000.01814.89
7.3.50.0120.00014.55
7.3.40.0120.00314.64
7.3.30.0030.00914.95
7.3.20.0080.00816.56
7.3.10.0080.01016.45
7.3.00.0070.01016.56
7.2.330.0140.00416.36
7.2.320.0090.01316.63
7.2.310.0050.01416.47
7.2.300.0060.01016.48
7.2.290.0080.00816.86
7.2.250.0030.01314.99
7.2.240.0130.00315.14
7.2.230.0090.00615.28
7.2.220.0060.00615.26
7.2.210.0030.01014.70
7.2.200.0030.00614.91
7.2.190.0000.01614.88
7.2.180.0040.01115.16
7.2.170.0080.00515.12
7.2.130.0100.00316.69
7.2.120.0060.01116.98
7.2.110.0120.00616.83
7.2.100.0090.00616.46
7.2.90.0070.01116.82
7.2.80.0080.00816.59
7.2.70.0140.00516.70
7.2.60.0120.00516.82
7.2.50.0040.01116.45
7.2.40.0160.00016.57
7.2.30.0120.00416.71
7.2.20.0130.00316.53
7.2.10.0060.00916.36
7.2.00.0080.00918.18
7.1.330.0090.00615.73
7.1.320.0000.01115.63
7.1.310.0060.00915.75
7.1.300.0030.01416.01
7.1.290.0070.00715.61
7.1.280.0060.00615.75
7.1.270.0000.01015.75
7.1.260.0060.00915.86
7.1.250.0000.01115.72
7.1.200.0060.00815.72
7.1.100.0090.00317.91
7.1.70.0050.00317.29
7.1.60.0070.01819.61
7.1.50.0090.01616.92
7.1.00.0100.07022.48
7.0.200.0100.00316.86
7.0.140.0130.06322.05
7.0.60.0100.08719.92
7.0.50.0130.06317.74
7.0.40.0130.07720.30
7.0.30.0270.06020.21
7.0.20.0270.05020.05
7.0.10.0330.06720.20
7.0.00.0130.08720.12
5.6.280.0000.07021.15
5.6.210.0100.05020.73
5.6.200.0030.08018.23
5.6.190.0130.05320.39
5.6.180.0230.07020.64
5.6.170.0230.07720.45
5.6.160.0000.09020.39
5.6.150.0070.05018.18
5.6.140.0100.07718.18
5.6.130.0100.05318.16
5.6.120.0130.04321.12
5.6.110.0070.06320.98
5.6.100.0070.08720.91
5.6.90.0070.06321.00
5.6.80.0170.04720.53
5.6.70.4500.03720.52
5.5.350.0170.07020.35
5.5.340.0070.05717.95
5.5.330.0100.08320.40
5.5.320.0330.07020.28
5.5.310.0300.07020.18
5.5.300.0070.08017.99
5.5.290.0130.07317.91
5.5.280.0100.08720.78
5.5.270.0100.06020.76
5.5.260.0170.06320.84
5.5.250.0070.06320.68
5.5.240.1870.04020.37
5.4.450.0300.04019.64
5.4.440.0130.04319.64
5.4.430.0330.04719.45
5.4.420.0330.04719.47
5.4.410.0030.05019.18
5.4.400.0300.04019.17
5.4.390.0100.05719.22
5.4.380.0230.06018.70
5.4.370.0300.07718.79
5.4.360.0400.06018.62
5.4.350.0270.05718.57
5.4.340.0330.04318.62
5.4.320.0080.05112.51
5.4.310.0040.04312.50
5.4.300.0060.03712.51
5.4.290.0050.04412.50
5.4.280.0080.03312.40
5.4.270.0060.03712.39
5.4.260.0110.04412.40
5.4.250.0030.04112.40
5.4.240.0050.03612.40
5.4.230.0070.03712.39
5.4.220.0080.03912.39
5.4.210.0070.03412.39
5.4.200.0090.03512.39
5.4.190.0070.03612.39
5.4.180.0040.03912.39
5.4.170.0070.03712.39
5.4.160.0090.03512.39
5.4.150.0030.03912.38
5.4.140.0110.03212.07
5.4.130.0050.03612.05
5.4.120.0160.02512.02
5.4.110.0030.03812.01
5.4.100.0030.03912.01
5.4.90.0060.04212.01
5.4.80.0040.04112.02
5.4.70.0080.03412.00
5.4.60.0040.03812.00
5.4.50.0080.03612.01
5.4.40.0050.03612.00
5.4.30.0030.03811.99
5.4.20.0090.03311.99
5.4.10.0050.03511.99
5.4.00.0070.03711.48
5.3.290.0080.04012.80
5.3.280.0070.04012.71
5.3.270.0030.05312.72
5.3.260.0040.04112.72
5.3.250.0070.03812.72
5.3.240.0030.04212.72
5.3.230.0070.04112.71
5.3.220.0090.04012.68
5.3.210.0080.04912.68
5.3.200.0120.04512.68
5.3.190.0080.04912.68
5.3.180.0050.05312.67
5.3.170.0080.04912.67
5.3.160.0110.04612.68
5.3.150.0110.04612.67
5.3.140.0050.05212.66
5.3.130.0070.05312.66
5.3.120.0080.05412.66
5.3.110.0070.05212.66
5.3.100.0070.04712.12
5.3.90.0100.04612.10
5.3.80.0080.04612.09
5.3.70.0040.05012.09
5.3.60.0030.04412.08
5.3.50.0040.03912.02
5.3.40.0050.04212.02
5.3.30.0060.03811.98
5.3.20.0060.03711.76
5.3.10.0030.03811.73
5.3.00.0040.03911.72
5.2.170.0050.0309.21
5.2.160.0050.0299.21
5.2.150.0040.0319.21
5.2.140.0040.0319.21
5.2.130.0080.0259.17
5.2.120.0040.0299.17
5.2.110.0050.0289.18
5.2.100.0040.0299.18
5.2.90.0020.0359.17
5.2.80.0030.0339.16
5.2.70.0030.0329.16
5.2.60.0090.0339.13
5.2.50.0080.0379.09
5.2.40.0050.0319.07
5.2.30.0070.0299.04
5.2.20.0070.0299.03
5.2.10.0030.0348.94
5.2.00.0040.0298.80
5.1.60.0040.0278.08
5.1.50.0080.0238.08
5.1.40.0060.0238.06
5.1.30.0040.0348.41
5.1.20.0040.0268.43
5.1.10.0060.0268.16
5.1.00.0050.0278.16
5.0.50.0040.0236.64
5.0.40.0030.0286.50
5.0.30.0060.0346.31
5.0.20.0060.0226.28
5.0.10.0040.0296.26
5.0.00.0080.0366.25
4.4.90.0060.0194.78
4.4.80.0040.0214.75
4.4.70.0070.0184.76
4.4.60.0030.0214.75
4.4.50.0030.0214.77
4.4.40.0040.0324.71
4.4.30.0020.0224.76
4.4.20.0040.0214.85
4.4.10.0050.0214.85
4.4.00.0030.0324.76
4.3.110.0030.0224.67
4.3.100.0010.0224.67
4.3.90.0020.0154.63
4.3.80.0040.0244.58
4.3.70.0020.0144.63
4.3.60.0040.0124.63
4.3.50.0020.0164.63
4.3.40.0040.0224.54
4.3.30.0050.0133.30
4.3.20.0050.0133.27
4.3.10.0050.0143.24
4.3.00.0070.01316.72

preferences:
35.75 ms | 401 KiB | 5 Q