3v4l.org

run code in 300+ PHP versions simultaneously
<?php $h = '0032003000310038002d00300031002d00300031'; $s_be = hex2bin($h); $s = mb_convert_encoding($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)
8.3.60.0070.00716.32
8.3.50.0110.00616.33
8.3.40.0090.00618.57
8.3.30.0070.00718.45
8.3.20.0000.00724.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0110.00725.92
8.2.170.0080.00618.82
8.2.160.0060.00922.96
8.2.150.0030.00525.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.66
8.2.110.0060.00320.38
8.2.100.0090.00317.72
8.2.90.0040.00417.75
8.2.80.0040.00418.91
8.2.70.0050.00317.63
8.2.60.0080.00017.50
8.2.50.0060.00317.63
8.2.40.0030.00619.18
8.2.30.0050.00218.07
8.2.20.0070.00018.07
8.2.10.0070.00019.29
8.2.00.0050.00319.30
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00321.83
8.1.230.0050.00520.87
8.1.220.0030.00618.52
8.1.210.0030.00518.77
8.1.200.0030.00617.36
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0040.00417.62
8.1.160.0040.00418.86
8.1.150.0000.00718.88
8.1.140.0040.00418.80
8.1.130.0040.00420.11
8.1.120.0040.00417.41
8.1.110.0000.00717.45
8.1.100.0000.00817.45
8.1.90.0070.00017.44
8.1.80.0000.00817.32
8.1.70.0000.00617.47
8.1.60.0080.00017.59
8.1.50.0040.00417.46
8.1.40.0040.00417.50
8.1.30.0080.00017.60
8.1.20.0050.00217.47
8.1.10.0030.00517.50
8.1.00.0030.00617.34
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00318.34
8.0.270.0050.00317.96
8.0.260.0000.00618.59
8.0.250.0000.00716.91
8.0.240.0000.00716.98
8.0.230.0030.00416.83
8.0.220.0060.00016.89
8.0.210.0000.00616.92
8.0.200.0000.00616.89
8.0.190.0090.00017.00
8.0.180.0030.00516.78
8.0.170.0000.00916.78
8.0.160.0000.00716.87
8.0.150.0050.00216.76
8.0.140.0070.00016.83
8.0.130.0050.00013.30
8.0.120.0030.00516.91
8.0.110.0000.00716.92
8.0.100.0070.00016.83
8.0.90.0040.00416.85
8.0.80.0060.00916.83
8.0.70.0070.00016.75
8.0.60.0080.00016.92
8.0.50.0000.00716.76
8.0.30.0120.00616.89
8.0.20.0180.00317.00
8.0.10.0190.00917.03
8.0.00.0200.00917.04
7.4.330.0000.00515.55
7.4.320.0070.00016.64
7.4.300.0000.00716.61
7.4.290.0000.00716.33
7.4.280.0000.00716.46
7.4.270.0040.00416.58
7.4.260.0030.00313.38
7.4.250.0050.00216.47
7.4.240.0070.00016.48
7.4.230.0000.00616.47
7.4.220.0040.00416.48
7.4.210.0090.00716.57
7.4.200.0070.00016.59
7.4.140.0190.01116.38
7.4.130.0210.01016.41
7.4.120.0180.00916.36
7.4.110.0180.01116.44
7.4.100.0140.01216.26
7.4.90.0150.00916.34
7.4.80.0170.01116.45
7.4.70.0160.00716.29
7.4.60.0120.01016.23
7.4.50.0190.00616.21
7.4.40.0180.00616.30
7.4.30.0160.00816.28
7.4.20.0200.00716.27
7.4.10.0160.00816.21
7.4.00.0120.00916.42
7.3.330.0030.00316.28
7.3.320.0030.00312.95
7.3.310.0070.00016.24
7.3.300.0030.00316.05
7.3.290.0120.00416.16
7.3.260.0140.00616.41
7.3.250.0220.00916.28
7.3.240.0120.01416.03
7.3.230.0180.00916.29
7.3.220.0190.00816.40
7.3.210.0260.00316.27
7.3.200.0140.01216.18
7.3.190.0180.00715.97
7.3.180.0210.00616.19
7.3.170.0200.00916.20
7.3.160.0180.00516.26
7.3.150.0180.01116.13
7.3.140.0120.01016.15
7.3.130.0150.00715.99
7.3.120.0140.00715.92
7.3.110.0220.00616.14
7.3.100.0120.01216.22
7.3.90.0150.00816.17
7.3.80.0170.01316.22
7.3.70.0190.00916.26
7.3.60.0210.00916.27
7.3.50.0150.01216.09
7.3.40.0180.00816.27
7.3.30.0180.00916.23
7.3.20.0190.00916.14
7.3.10.0250.00916.21
7.3.00.0190.00916.27

preferences:
58.27 ms | 400 KiB | 5 Q