3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ch = "\xc2\x9d"; foreach (str_split($ch) as $c) { echo sprintf("0x%02X", $c) . "\n"; }

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)
8.3.70.0090.00616.63
8.3.60.0100.00716.50
8.3.50.0070.01016.26
8.3.40.0150.00318.73
8.3.30.0030.01218.59
8.3.20.0080.00021.77
8.3.10.0050.00221.81
8.3.00.0000.00719.02
8.2.190.0130.00716.63
8.2.180.0100.00716.48
8.2.170.0040.01122.96
8.2.160.0070.00720.34
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00421.07
8.2.120.0070.00026.35
8.2.110.0060.00321.02
8.2.100.0080.00317.84
8.2.90.0030.00617.63
8.2.80.0000.00918.78
8.2.70.0080.00017.63
8.2.60.0040.00417.50
8.2.50.0040.00417.63
8.2.40.0000.00819.24
8.2.30.0040.00419.42
8.2.20.0050.00318.02
8.2.10.0000.00717.71
8.2.00.0040.00417.95
8.1.280.0040.01125.92
8.1.270.0080.00022.29
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00419.22
8.1.230.0080.00319.02
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0050.00317.62
8.1.160.0040.00418.72
8.1.150.0000.00719.00
8.1.140.0030.00617.69
8.1.130.0040.00420.11
8.1.120.0030.00317.46
8.1.110.0000.00717.34
8.1.100.0040.00417.49
8.1.90.0030.00417.37
8.1.80.0020.00517.41
8.1.70.0000.00717.50
8.1.60.0060.00317.52
8.1.50.0080.00017.51
8.1.40.0040.00417.45
8.1.30.0050.00317.54
8.1.20.0000.00717.60
8.1.10.0060.00317.52
8.1.00.0030.00517.45
8.0.300.0030.00518.77
8.0.290.0040.00416.75
8.0.280.0030.00318.47
8.0.270.0030.00317.12
8.0.260.0000.00616.81
8.0.250.0060.00316.86
8.0.240.0040.00416.91
8.0.230.0000.00716.95
8.0.220.0000.00716.84
8.0.210.0070.00016.92
8.0.200.0000.00616.95
8.0.190.0000.00716.90
8.0.180.0050.00316.89
8.0.170.0090.00016.90
8.0.160.0000.00716.80
8.0.150.0080.00016.73
8.0.140.0000.00716.89
8.0.130.0000.00513.31
8.0.120.0080.00016.86
8.0.110.0030.00316.88
8.0.100.0000.00716.67
8.0.90.0030.00516.68
8.0.80.0070.01016.76
8.0.70.0050.00216.77
8.0.60.0040.00416.76
8.0.50.0030.00616.95
8.0.30.0140.00517.11
8.0.20.0070.01517.40
8.0.10.0000.00716.95
8.0.00.0120.00616.83
7.4.330.0000.00515.55
7.4.320.0060.00016.51
7.4.300.0030.00316.51
7.4.290.0030.00316.50
7.4.280.0040.00416.52
7.4.270.0000.00716.55
7.4.260.0000.00716.47
7.4.250.0040.00416.44
7.4.240.0000.00716.39
7.4.230.0000.00716.29
7.4.220.0000.00716.31
7.4.210.0060.01216.64
7.4.200.0070.00016.47
7.4.160.0100.00716.47
7.4.140.0070.01217.86
7.4.130.0090.00916.56
7.4.120.0080.01116.37
7.4.110.0070.01016.38
7.4.100.0110.00816.52
7.4.90.0080.00816.55
7.4.80.0070.01219.39
7.4.70.0110.00616.45
7.4.60.0030.01216.43
7.4.50.0040.01416.29
7.4.40.0040.01216.53
7.4.00.0030.01015.19
7.3.330.0050.00013.04
7.3.320.0030.00613.21
7.3.310.0000.00716.16
7.3.300.0060.00016.02
7.3.290.0100.01016.20
7.3.280.0090.00716.20
7.3.260.0120.00416.25
7.3.240.0120.00616.40
7.3.230.0070.01016.56
7.3.210.0070.01416.50
7.3.200.0080.00816.42
7.3.190.0060.00916.59
7.3.180.0030.01216.48
7.3.170.0150.00716.48
7.3.160.0070.01316.43
7.2.330.0130.01016.66
7.2.320.0060.01216.41
7.2.310.0090.00616.81
7.2.300.0100.00716.39
7.2.290.0100.00616.32
7.2.60.0030.00916.93
7.2.50.0110.00316.89
7.2.30.0100.01218.58
7.2.20.0100.01418.65
7.2.10.0090.01518.56
7.2.00.0090.01418.63
7.1.200.0000.00715.52
7.1.150.0120.01117.30
7.1.140.0100.01217.42
7.1.130.0080.01117.26
7.1.120.0170.01217.27
7.1.110.0130.01116.75
7.1.100.0120.01116.70
7.1.90.0110.01116.81
7.1.80.0210.01116.79
7.1.70.0090.00915.79
7.1.60.0300.01333.74
7.1.50.0280.01433.55
7.1.40.0250.01633.00
7.1.30.0270.01633.06
7.1.20.0240.01733.31
7.1.10.0100.01015.30
7.1.00.0090.01315.41

preferences:
26.55 ms | 401 KiB | 5 Q