3v4l.org

run code in 300+ PHP versions simultaneously
<?php $h = '0032003000310038002d00300031002d00300031'; $s_be = hex2bin($h); var_dump($s_be); $s = mb_convert_encoding($s_be, 'UTF-8', 'UTF-16BE'); var_dump($s);

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)
8.3.70.0100.01016.58
8.3.60.0070.00718.18
8.3.50.0080.00616.17
8.3.40.0100.01318.71
8.3.30.0070.00718.39
8.3.20.0030.00524.18
8.3.10.0030.00624.66
8.3.00.0040.00426.16
8.2.180.0100.01025.92
8.2.170.0070.01319.00
8.2.160.0130.00022.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00226.35
8.2.110.0030.01019.39
8.2.100.0040.00817.59
8.2.90.0000.00817.75
8.2.80.0000.00818.78
8.2.70.0050.00317.49
8.2.60.0030.00617.80
8.2.50.0040.00418.05
8.2.40.0000.00818.09
8.2.30.0000.00717.97
8.2.20.0000.00817.99
8.2.10.0080.00019.41
8.2.00.0040.00419.24
8.1.280.0030.01325.92
8.1.270.0000.00723.99
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0100.00019.03
8.1.230.0070.00422.81
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0000.00817.25
8.1.190.0000.00917.23
8.1.180.0040.00419.01
8.1.170.0040.00418.62
8.1.160.0000.00718.74
8.1.150.0040.00418.76
8.1.140.0040.00418.77
8.1.130.0000.00720.17
8.1.120.0080.00017.35
8.1.110.0040.00417.42
8.1.100.0060.00317.49
8.1.90.0030.00317.34
8.1.80.0060.00617.46
8.1.70.0030.00317.44
8.1.60.0000.00717.56
8.1.50.0080.00017.39
8.1.40.0000.00717.52
8.1.30.0050.00317.63
8.1.20.0070.00017.48
8.1.10.0050.00217.52
8.1.00.0060.00317.45
8.0.300.0070.00018.77
8.0.290.0050.00316.63
8.0.280.0070.00018.44
8.0.270.0000.00717.84
8.0.260.0030.00318.55
8.0.250.0050.00316.96
8.0.240.0000.00616.89
8.0.230.0070.00016.96
8.0.220.0030.00316.87
8.0.210.0000.00716.88
8.0.200.0040.00416.94
8.0.190.0050.00216.91
8.0.180.0060.00316.88
8.0.170.0000.00816.80
8.0.160.0000.00716.90
8.0.150.0060.00316.75
8.0.140.0040.00416.85
8.0.130.0050.00013.36
8.0.120.0040.00416.88
8.0.110.0000.00716.71
8.0.100.0000.00816.77
8.0.90.0000.00816.85
8.0.80.0100.00616.85
8.0.70.0000.00716.74
8.0.60.0040.00416.88
8.0.50.0030.00516.95
8.0.30.0070.01016.80
8.0.20.0110.00916.94
8.0.10.0140.00916.71
8.0.00.0150.00416.95
7.4.330.0050.00015.55
7.4.320.0030.00316.52
7.4.300.0070.00016.55
7.4.290.0000.00716.37
7.4.280.0030.00816.57
7.4.270.0040.00416.51
7.4.260.0000.00513.32
7.4.250.0000.00716.51
7.4.240.0030.00316.59
7.4.230.0050.00216.66
7.4.220.0040.00416.39
7.4.210.0050.00916.60
7.4.200.0030.00316.71
7.4.140.0070.01416.50
7.4.130.0090.01216.48
7.4.120.0180.00316.16
7.4.110.0170.00416.33
7.4.100.0180.00016.27
7.4.90.0090.01216.45
7.4.80.0110.00716.20
7.4.70.0170.00616.25
7.4.60.0150.00316.18
7.4.50.0110.00616.32
7.4.40.0150.00716.12
7.4.30.0090.00916.10
7.4.20.0180.00316.05
7.4.10.0060.01516.06
7.4.00.0200.00516.53
7.3.330.0050.00216.32
7.3.320.0050.00013.04
7.3.310.0070.00016.14
7.3.300.0030.00316.20
7.3.290.0060.00816.18
7.3.260.0110.00816.48
7.3.250.0130.00816.38
7.3.240.0110.01115.85
7.3.230.0140.00816.13
7.3.220.0110.01116.05
7.3.210.0210.00016.09
7.3.200.0110.01516.24
7.3.190.0150.00616.07
7.3.180.0120.00816.09
7.3.170.0130.01316.00
7.3.160.0080.00815.98
7.3.150.0100.01016.00
7.3.140.0080.01116.12
7.3.130.0160.00316.34
7.3.120.0080.01416.45
7.3.110.0300.00316.14
7.3.100.0180.00315.79
7.3.90.0100.01315.85
7.3.80.0130.00716.05
7.3.70.0090.01416.25
7.3.60.0210.00416.12
7.3.50.0160.00815.97
7.3.40.0170.00716.09
7.3.30.0100.01016.09
7.3.20.0110.00816.13
7.3.10.0380.01316.20
7.3.00.0120.01216.13

preferences:
51.95 ms | 401 KiB | 5 Q