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 dechex('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)
8.3.70.0110.00718.68
8.3.60.0070.00718.68
8.3.50.0120.01021.92
8.3.40.0150.00318.97
8.3.30.0110.00719.04
8.3.20.0040.00420.16
8.3.10.0040.00420.60
8.3.00.0070.00417.75
8.2.180.0030.01316.72
8.2.170.0040.01122.96
8.2.160.0100.00320.34
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00422.05
8.2.110.0090.00022.19
8.2.100.0080.00417.78
8.2.90.0040.00419.08
8.2.80.0030.00517.97
8.2.70.0000.00817.38
8.2.60.0040.00418.16
8.2.50.0040.00418.07
8.2.40.0000.00818.16
8.2.30.0040.00419.36
8.2.20.0050.00317.89
8.2.10.0040.00418.06
8.2.00.0000.00717.80
8.1.280.0120.00325.92
8.1.270.0050.00322.19
8.1.260.0040.00426.35
8.1.250.0070.00728.09
8.1.240.0060.00323.79
8.1.230.0090.00319.01
8.1.220.0040.00417.76
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00617.23
8.1.180.0080.00018.10
8.1.170.0040.00418.51
8.1.160.0040.00422.00
8.1.150.0050.00318.80
8.1.140.0060.00317.45
8.1.130.0000.00717.76
8.1.120.0030.00317.32
8.1.110.0030.00617.31
8.1.100.0000.00717.46
8.1.90.0030.00617.37
8.1.80.0040.00417.43
8.1.70.0040.00417.39
8.1.60.0050.00317.60
8.1.50.0000.00717.61
8.1.40.0030.00617.54
8.1.30.0050.00317.62
8.1.20.0040.00417.55
8.1.10.0040.00417.51
8.1.00.0000.00817.55
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.42
8.0.270.0030.00717.25
8.0.260.0000.00617.27
8.0.250.0030.00317.00
8.0.240.0000.00716.93
8.0.230.0000.00717.00
8.0.220.0070.00016.91
8.0.210.0000.00716.86
8.0.200.0030.00317.01
8.0.190.0080.00016.88
8.0.180.0030.00316.86
8.0.170.0070.00016.87
8.0.160.0070.00016.84
8.0.150.0000.00716.78
8.0.140.0040.00416.74
8.0.130.0030.00513.33
8.0.120.0000.00716.93
8.0.110.0040.00416.89
8.0.100.0000.00716.74
8.0.90.0030.00316.77
8.0.80.0060.00916.89
8.0.70.0000.00717.02
8.0.60.0050.00316.76
8.0.50.0080.00016.82
8.0.30.0090.01016.99
8.0.20.0090.00917.40
8.0.10.0000.00717.09
8.0.00.0100.00716.84
7.4.330.0060.00015.00
7.4.320.0070.00016.53
7.4.300.0030.00316.50
7.4.290.0000.00716.42
7.4.280.0060.00316.55
7.4.270.0040.00416.62
7.4.260.0060.00316.54
7.4.250.0000.00716.51
7.4.240.0070.00016.53
7.4.230.0030.00316.64
7.4.220.0140.00416.60
7.4.210.0070.00716.44
7.4.200.0000.00716.31
7.4.160.0120.00916.47
7.4.150.0090.01217.40
7.4.140.0050.01217.86
7.4.130.0100.00716.61
7.4.120.0110.00516.43
7.4.110.0030.01316.63
7.4.100.0150.00916.57
7.4.90.0060.01316.50
7.4.80.0060.01019.39
7.4.70.0040.01216.45
7.4.60.0080.00816.47
7.4.50.0080.00016.38
7.4.40.0130.00316.33
7.4.30.0100.01316.52
7.4.10.0090.00915.01
7.4.00.0030.01215.02
7.3.330.0030.00313.15
7.3.320.0000.00513.30
7.3.310.0030.00316.33
7.3.300.0000.00616.34
7.3.290.0000.01516.38
7.3.280.0090.00816.37
7.3.270.0100.00717.40
7.3.260.0000.01716.39
7.3.250.0090.01016.41
7.3.240.0130.00316.29
7.3.230.0100.00716.66
7.3.210.0130.00316.36
7.3.200.0070.01019.39
7.3.190.0070.01316.54
7.3.180.0060.00916.35
7.3.170.0060.01616.40
7.3.160.0060.00916.51
7.3.130.0070.01114.95
7.3.120.0070.00715.03
7.3.110.0060.01314.86
7.3.100.0070.00714.91
7.3.90.0070.00714.89
7.3.80.0060.00615.23
7.3.70.0080.00314.88
7.3.60.0080.00614.47
7.3.50.0060.00314.85
7.3.40.0030.00914.92
7.3.30.0070.01014.94
7.3.20.0060.00916.64
7.3.10.0030.00616.74
7.3.00.0090.00616.70
7.2.330.0140.00416.85
7.2.320.0030.01416.57
7.2.310.0090.01316.66
7.2.300.0100.00716.45
7.2.290.0160.00716.58
7.2.260.0030.01715.11
7.2.250.0070.01115.35
7.2.240.0100.00615.02
7.2.230.0070.00714.98
7.2.220.0120.00315.11
7.2.210.0090.00615.24
7.2.200.0080.00615.28
7.2.190.0080.00314.97
7.2.180.0040.00815.03
7.2.170.0040.01114.90
7.2.160.0090.00614.81
7.2.150.0040.00716.83
7.2.140.0000.01116.97
7.2.130.0000.00917.02
7.2.120.0000.01416.95
7.2.110.0120.00016.83
7.2.100.0060.00617.05
7.2.90.0030.00917.16
7.2.80.0060.00617.13
7.2.70.0060.00617.21
7.2.60.0070.00816.95
7.2.50.0100.00716.93
7.2.40.0040.00717.15
7.2.30.0040.01116.71
7.2.20.0060.01016.84
7.2.10.0070.01016.72
7.2.00.0160.00717.91
7.1.330.0040.01115.96
7.1.320.0060.00315.75
7.1.310.0040.00915.99
7.1.300.0000.01315.59
7.1.290.0030.01015.73
7.1.280.0070.00715.81
7.1.270.0100.00715.87
7.1.260.0040.00815.54
7.1.250.0070.00615.80
7.1.240.0030.00715.68
7.1.230.0060.00615.87
7.1.220.0080.00415.46
7.1.210.0060.00815.53
7.1.200.0080.00615.74
7.1.190.0030.01015.79
7.1.180.0060.01015.54
7.1.170.0100.00715.68
7.1.160.0060.00615.98
7.1.150.0060.00615.77
7.1.140.0030.01015.46
7.1.130.0120.00615.73
7.1.120.0100.00315.57
7.1.110.0070.01015.86
7.1.100.0050.00416.94
7.1.90.0040.01115.82
7.1.80.0110.00715.55
7.1.70.0000.00816.46
7.1.60.0080.01217.65
7.1.50.0050.01216.42
7.1.40.0040.00815.77
7.1.30.0040.01115.84
7.1.20.0070.01015.84
7.1.10.0000.01515.58
7.1.00.0020.04619.13
7.0.330.0040.01115.60
7.0.320.0000.00815.07
7.0.310.0040.00715.30
7.0.300.0060.00915.53
7.0.290.0000.01415.16
7.0.280.0060.00615.57
7.0.270.0040.01215.49
7.0.260.0100.00615.46
7.0.250.0060.00915.54
7.0.240.0100.00315.64
7.0.230.0060.01015.68
7.0.220.0100.00615.47
7.0.210.0040.00715.40
7.0.200.0050.00616.12
7.0.190.0000.01015.55
7.0.180.0030.01215.36
7.0.170.0090.00615.56
7.0.160.0090.00615.39
7.0.150.0070.00415.29
7.0.140.0050.04018.68
7.0.130.0000.01115.39
7.0.120.0040.01115.49
7.0.110.0000.00915.57
7.0.100.0100.00315.28
7.0.90.0040.00815.55
7.0.80.0040.01115.42
7.0.70.0080.00015.24
7.0.60.0000.03017.81
7.0.50.0010.02716.73
7.0.40.0060.02616.94
7.0.30.0170.03016.75
7.0.20.0240.04016.91
7.0.10.0080.03216.85
7.0.00.0070.03216.86
5.6.400.0110.00414.39
5.6.390.0000.01414.38
5.6.380.0000.01414.54
5.6.370.0090.00014.11
5.6.360.0060.00514.31
5.6.350.0100.00614.70
5.6.340.0060.00614.83
5.6.330.0120.00314.30
5.6.320.0060.00614.54
5.6.310.0090.00914.65
5.6.300.0100.00314.70
5.6.290.0100.00314.39
5.6.280.0030.04317.45
5.6.270.0030.01214.30
5.6.260.0050.00714.74
5.6.250.0030.01214.66
5.6.240.0040.00814.29
5.6.230.0070.00714.14
5.6.220.0100.00714.37
5.6.210.0070.04017.48
5.6.200.0130.01816.30
5.6.190.0090.02217.47
5.6.180.0280.04117.50
5.6.170.0190.03117.34
5.6.160.0110.04017.27
5.6.150.0050.04216.25
5.6.140.0070.04516.36
5.6.130.0060.03916.29
5.6.120.0030.03317.64
5.6.110.0090.01717.83
5.6.100.0080.03017.84
5.6.90.0080.04717.68
5.6.80.0100.03817.44
5.6.70.0000.00914.18
5.6.60.0030.00914.48
5.6.50.0070.00314.27
5.6.40.0000.01014.48
5.6.30.0040.00414.48
5.6.20.0090.00314.36
5.6.10.0070.01114.28
5.6.00.0070.01014.28
5.5.380.0080.00314.45
5.5.370.0090.00414.22
5.5.360.0030.01314.33
5.5.350.0120.03317.24
5.5.340.0050.03316.12
5.5.330.0120.02517.42
5.5.320.0150.02717.27
5.5.310.0150.02817.36
5.5.300.0080.02516.11
5.5.290.0090.04016.16
5.5.280.0050.02617.53
5.5.270.0100.03717.53
5.5.260.0090.03417.36
5.5.250.0060.02317.32
5.5.240.0120.03617.12
5.5.230.0060.00314.17
5.5.220.0000.01214.32
5.5.210.0000.01414.35
5.5.200.0090.00614.16
5.5.190.0090.00014.03
5.5.180.0080.00414.20
5.5.170.0060.01214.36
5.5.160.0070.01013.95
5.5.150.0030.01014.32
5.5.140.0030.01014.29
5.5.130.0070.00714.34
5.5.120.0030.01414.18
5.5.110.0070.00314.17
5.5.100.0070.00714.42
5.5.90.0070.00714.35
5.5.80.0070.00714.61
5.5.70.0030.00914.51
5.5.60.0090.00014.37
5.5.50.0070.01014.40
5.5.40.0000.00914.35
5.5.30.0030.01014.25
5.5.20.0040.00414.14
5.5.10.0030.00714.29
5.5.00.0100.00614.34
5.4.450.0150.02715.22
5.4.440.0250.02515.19
5.4.430.0200.02415.36
5.4.420.0180.02515.18
5.4.410.0120.02915.23
5.4.400.0170.02515.10
5.4.390.0280.01715.04
5.4.380.0250.02614.90
5.4.370.0130.02814.75
5.4.360.0170.02814.84
5.4.350.0320.02814.58
5.4.340.0210.04014.79
5.4.330.0060.00611.02
5.4.320.0090.01611.58
5.4.310.0070.02211.81
5.4.300.0050.02311.72
5.4.290.0060.02411.88
5.4.280.0050.02111.73
5.4.270.0080.01911.83
5.4.260.0090.01811.64
5.4.250.0070.02111.77
5.4.240.0050.02211.72
5.4.230.0050.02311.68
5.4.220.0040.02011.60
5.4.210.0080.02111.68
5.4.200.0060.02211.70
5.4.190.0080.02011.72
5.4.180.0040.02011.66
5.4.170.0060.02111.57
5.4.160.0070.02311.75
5.4.150.0080.02011.73
5.4.140.0060.02011.64
5.4.130.0060.01911.42
5.4.120.0070.02011.47
5.4.110.0060.02611.57
5.4.100.0050.02611.45
5.4.90.0060.02811.42
5.4.80.0080.02111.44
5.4.70.0050.02211.50
5.4.60.0040.02311.48
5.4.50.0020.02911.46
5.4.40.0070.02011.43
5.4.30.0030.02211.60
5.4.20.0040.02011.49
5.4.10.0090.01611.64
5.4.00.0060.02311.35
5.3.290.0100.03712.80
5.3.280.0060.03712.71
5.3.270.0050.04112.72
5.3.260.0060.04012.72
5.3.250.0050.03912.72
5.3.240.0050.03812.72
5.3.230.0080.03512.71
5.3.220.0040.03812.68
5.3.210.0080.04912.68
5.3.200.0090.03312.68
5.3.190.0040.03912.68
5.3.180.0070.03612.67
5.3.170.0050.03712.67
5.3.160.0050.03912.68
5.3.150.0050.03912.67
5.3.140.0070.03512.66
5.3.130.0060.03912.66
5.3.120.0040.03912.66
5.3.110.0080.03512.66
5.3.100.0070.03612.12
5.3.90.0030.03912.10
5.3.80.0080.03412.09
5.3.70.0060.03612.09
5.3.60.0070.03512.08
5.3.50.0030.04012.02
5.3.40.0090.03412.04
5.3.30.0080.03311.98
5.3.20.0090.03411.76
5.3.10.0070.03311.73
5.3.00.0100.03311.71
5.2.170.0070.0349.21
5.2.160.0090.0389.21
5.2.150.0050.0349.22
5.2.140.0100.0259.21
5.2.130.0110.0259.18
5.2.120.0120.0299.18
5.2.110.0130.0219.18
5.2.100.0070.0269.17
5.2.90.0060.0279.17
5.2.80.0050.0309.17
5.2.70.0040.0319.16
5.2.60.0020.0329.13
5.2.50.0050.0299.10
5.2.40.0050.0309.07
5.2.30.0040.0309.04
5.2.20.0040.0299.03
5.2.10.0060.0278.94
5.2.00.0050.0298.80
5.1.60.0060.0248.09
5.1.50.0070.0228.09
5.1.40.0040.0288.06
5.1.30.0060.0288.41
5.1.20.0040.0278.43
5.1.10.0040.0288.16
5.1.00.0100.0308.16
5.0.50.0040.0206.64
5.0.40.0020.0216.50
5.0.30.0030.0326.30
5.0.20.0030.0236.27
5.0.10.0050.0196.26
5.0.00.0070.0286.25
4.4.90.0030.0194.78
4.4.80.0040.0144.75
4.4.70.0020.0164.75
4.4.60.0010.0164.75
4.4.50.0050.0144.77
4.4.40.0020.0264.71
4.4.30.0040.0154.76
4.4.20.0060.0134.85
4.4.10.0030.0154.85
4.4.00.0040.0244.76
4.3.110.0000.0184.67
4.3.100.0040.0144.66
4.3.90.0040.0134.63
4.3.80.0040.0234.59
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0020.0244.54
4.3.30.0010.0163.30
4.3.20.0020.0153.27
4.3.10.0050.0183.24
4.3.00.0030.02016.72

preferences:
56.69 ms | 401 KiB | 5 Q