3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'test123456'; $hex = ''; for ($i=0; $i<strlen($var); $i++){ $ord = ord($var[$i]); $hexCode = dechex($ord); $hex .= substr('0'.$hexCode, -2); } $parts = str_split($hex,8); foreach($parts as $key=>$value){ $parts[$key] = str_pad($value, 8, "0", STR_PAD_RIGHT); $innerParts = str_split($parts[$key],2); $innerParts = array_reverse($innerParts); $parts[$key] = "0x".implode('',$innerParts); } print_r($parts); // 616e6e6f79696e67206d6f6e6b6579

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)
8.3.60.0070.00716.63
8.3.50.0080.00616.36
8.3.40.0070.00718.84
8.3.30.0120.00318.44
8.3.20.0040.00420.29
8.3.10.0050.00321.87
8.3.00.0050.00319.38
8.2.180.0090.00618.43
8.2.170.0070.00722.96
8.2.160.0140.00020.57
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0040.00419.25
8.2.120.0060.00326.35
8.2.110.0040.00421.11
8.2.100.0090.00318.22
8.2.90.0000.00819.17
8.2.80.0000.00818.02
8.2.70.0040.00817.63
8.2.60.0060.00318.04
8.2.50.0040.00418.10
8.2.40.0080.00020.25
8.2.30.0040.00419.29
8.2.20.0000.00718.12
8.2.10.0000.00817.99
8.2.00.0000.00818.02
8.1.280.0100.01025.92
8.1.270.0020.00522.10
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00624.05
8.1.230.0070.00418.97
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0070.00317.23
8.1.190.0080.00017.23
8.1.180.0040.00718.10
8.1.170.0000.00818.43
8.1.160.0000.00718.93
8.1.150.0000.00720.72
8.1.140.0000.00719.53
8.1.130.0080.00018.85
8.1.120.0030.00517.50
8.1.110.0050.00317.41
8.1.100.0000.00817.32
8.1.90.0040.00417.45
8.1.80.0000.00717.47
8.1.70.0070.00017.36
8.1.60.0050.00317.56
8.1.50.0080.00017.55
8.1.40.0030.00617.41
8.1.30.0080.00017.69
8.1.20.0000.00917.65
8.1.10.0000.00717.53
8.1.00.0040.00417.48
8.0.300.0000.00818.77
8.0.290.0030.00616.75
8.0.280.0050.00318.45
8.0.270.0000.00717.24
8.0.260.0030.00316.80
8.0.250.0030.00317.00
8.0.240.0070.00316.83
8.0.230.0030.00316.91
8.0.220.0000.00716.88
8.0.210.0000.00716.80
8.0.200.0000.00716.81
8.0.190.0030.00516.84
8.0.180.0040.00416.94
8.0.170.0040.00416.79
8.0.160.0030.00416.89
8.0.150.0040.00416.78
8.0.140.0030.00416.74
8.0.130.0050.00013.36
8.0.120.0040.00416.74
8.0.110.0100.00016.83
8.0.100.0000.00716.86
8.0.90.0000.00816.86
8.0.80.0100.00516.87
8.0.70.0040.00416.90
8.0.60.0040.00416.67
8.0.50.0070.00016.79
8.0.30.0100.00716.98
8.0.20.0120.00817.40
8.0.10.0080.00016.98
8.0.00.0040.01416.85
7.4.330.0060.00015.55
7.4.320.0030.00316.52
7.4.300.0000.00616.60
7.4.290.0030.00316.43
7.4.280.0030.00516.55
7.4.270.0040.00416.45
7.4.260.0040.00416.48
7.4.250.0050.00216.52
7.4.240.0030.00316.59
7.4.230.0070.00016.38
7.4.220.0150.02116.61
7.4.210.0090.01216.39
7.4.200.0030.00316.39
7.4.160.0130.00816.50
7.4.150.0060.01017.40
7.4.140.0130.00917.86
7.4.130.0160.00316.49
7.4.120.0100.01016.46
7.4.110.0170.00016.68
7.4.100.0000.02616.58
7.4.90.0120.00616.39
7.4.80.0100.00719.39
7.4.70.0130.00316.58
7.4.60.0120.00316.57
7.4.50.0030.01016.63
7.4.40.0120.00316.45
7.4.30.0090.00616.40
7.4.10.0090.00914.71
7.4.00.0050.01014.94
7.3.330.0050.00013.08
7.3.320.0000.00513.25
7.3.310.0000.00716.30
7.3.300.0030.00316.27
7.3.290.0040.01016.28
7.3.280.0080.01016.29
7.3.270.0100.00617.40
7.3.260.0100.00716.56
7.3.250.0120.00716.37
7.3.240.0090.00816.49
7.3.230.0070.01016.66
7.3.210.0000.01716.48
7.3.200.0090.00916.67
7.3.190.0080.00816.56
7.3.180.0060.01716.38
7.3.170.0080.00816.48
7.3.160.0150.00616.63
7.3.130.0070.01015.11
7.3.120.0090.00614.72
7.3.110.0090.00914.57
7.3.100.0050.00514.98
7.3.90.0030.01014.98
7.3.80.0000.01114.69
7.3.70.0120.00314.75
7.3.60.0040.00814.73
7.3.50.0090.00314.99
7.3.40.0060.00614.63
7.3.30.0090.00614.91
7.3.20.0070.00716.48
7.3.10.0030.01016.74
7.3.00.0030.00716.49
7.2.330.0090.01216.71
7.2.320.0090.01216.43
7.2.310.0070.01016.66
7.2.300.0030.01416.69
7.2.290.0080.00816.88
7.2.260.0040.01415.26
7.2.250.0070.01015.10
7.2.240.0040.01115.33
7.2.230.0040.01414.80
7.2.220.0170.00015.34
7.2.210.0030.01014.96
7.2.200.0090.00614.92
7.2.190.0000.01115.06
7.2.180.0060.00914.94
7.2.170.0030.01214.78
7.2.160.0030.01015.18
7.2.150.0060.00916.86
7.2.140.0130.00016.93
7.2.130.0030.01316.95
7.2.120.0040.00816.78
7.2.110.0040.00716.99
7.2.100.0040.00816.69
7.2.90.0130.00017.04
7.2.80.0060.00616.79
7.2.70.0100.00316.94
7.2.60.0080.00816.99
7.2.50.0090.00617.04
7.2.40.0040.00917.06
7.2.30.0070.00716.96
7.2.20.0030.01217.06
7.2.10.0000.01517.05
7.2.00.0030.00918.06
7.1.330.0100.00315.79
7.1.320.0120.00015.83
7.1.310.0070.00715.70
7.1.300.0070.00715.82
7.1.290.0090.00315.81
7.1.280.0060.00915.84
7.1.270.0060.00915.97
7.1.260.0030.00715.64
7.1.250.0090.00615.71
7.1.240.0080.00415.79
7.1.230.0140.00015.79
7.1.220.0030.00615.84
7.1.210.0040.01015.76
7.1.200.0080.01115.55
7.1.190.0070.00715.56
7.1.180.0090.00015.73
7.1.170.0070.00415.94
7.1.160.0040.01115.71
7.1.150.0080.00515.68
7.1.140.0090.00615.58
7.1.130.0060.00916.00
7.1.120.0080.00415.83
7.1.110.0060.00915.67
7.1.100.0040.00917.04
7.1.90.0070.00715.76
7.1.80.0030.01015.80
7.1.70.0110.00915.50
7.1.60.0180.00824.49
7.1.50.0160.00824.37
7.1.40.0160.01124.14
7.1.30.0160.00924.22
7.1.20.0200.00724.34
7.1.10.0140.00815.33
7.1.00.0110.00715.32
7.0.330.0120.00315.45
7.0.320.0070.00315.23
7.0.310.0080.00315.50
7.0.300.0080.00015.46
7.0.290.0080.00315.42
7.0.280.0040.00415.21
7.0.270.0090.00315.61
7.0.260.0100.00315.18
7.0.250.0040.00415.61
7.0.240.0000.01415.35
7.0.230.0030.00615.54
7.0.220.0000.01015.36
7.0.210.0090.00615.43
7.0.200.0150.00315.18
7.0.190.0120.00515.29
7.0.180.0340.00715.09
7.0.170.0090.00815.09
7.0.160.0110.00515.06
7.0.150.0080.01015.03
7.0.140.0090.01015.00
7.0.130.0120.00815.25
7.0.120.0100.01015.06
7.0.110.0100.00714.97
7.0.100.0110.00814.94
7.0.90.0140.00514.79
7.0.80.0140.00614.96
7.0.70.0170.00714.96
7.0.60.0150.00714.83
7.0.50.0070.01215.07
7.0.40.0200.00613.99
7.0.30.0100.00914.25
7.0.20.0100.01013.94
7.0.10.0100.01113.92
7.0.00.0100.00913.91
5.6.400.0070.00414.10
5.6.390.0090.00914.61
5.6.380.0070.00714.69
5.6.370.0090.00614.82
5.6.360.0080.00814.63
5.6.350.0040.01114.70
5.6.340.0040.01114.72
5.6.330.0030.00913.94
5.6.320.0060.00914.69
5.6.310.0030.00914.74
5.6.300.0070.00714.68
5.6.290.0070.00714.70
5.6.280.0090.00914.21
5.6.270.0090.00914.67
5.6.260.0070.01114.21
5.6.250.0030.00614.52
5.6.240.0030.00914.30
5.6.230.0030.01014.28
5.6.220.0030.00914.38
5.6.210.0080.00814.33
5.6.200.0060.00914.60
5.6.190.0060.00614.49
5.6.180.0030.01214.31
5.6.170.0000.01414.39
5.6.160.0040.00814.27
5.6.150.0030.00714.52
5.6.140.0000.01014.30
5.6.130.0100.00314.50
5.6.120.0060.00914.46
5.6.110.0060.00614.42
5.6.100.0000.01214.63
5.6.90.0000.00914.57
5.6.80.0000.00814.55
5.6.70.0030.01414.46
5.6.60.0040.00814.41
5.6.50.0060.00314.32
5.6.40.0040.01414.38
5.6.30.0100.00314.57
5.6.20.0000.01414.35
5.6.10.0110.00014.45
5.6.00.0040.01114.18

preferences:
47.28 ms | 400 KiB | 5 Q