3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'você está'; var_dump( bin2hex($str), bin2hex( mb_convert_encoding($str, 'ISO-8859-1') ) );

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)
8.3.60.0110.00416.50
8.3.50.0100.01018.12
8.3.40.0110.00418.61
8.3.30.0070.00718.54
8.3.20.0000.00721.73
8.3.10.0070.00021.75
8.3.00.0040.00421.78
8.2.180.0110.00718.41
8.2.170.0150.00422.96
8.2.160.0100.00320.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00419.96
8.2.110.0030.00622.55
8.2.100.0070.00417.91
8.2.90.0040.00417.98
8.2.80.0000.00817.97
8.2.70.0000.00917.50
8.2.60.0070.00018.05
8.2.50.0030.00618.07
8.2.40.0030.00518.16
8.2.30.0040.00418.05
8.2.20.0040.00418.07
8.2.10.0040.00418.07
8.2.00.0000.00718.08
8.1.280.0150.00025.92
8.1.270.0060.00323.63
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00322.06
8.1.230.0000.01021.10
8.1.220.0040.00417.78
8.1.210.0080.00018.85
8.1.200.0030.00617.36
8.1.190.0040.00417.38
8.1.180.0030.00518.10
8.1.170.0050.00918.61
8.1.160.0040.00418.88
8.1.150.0000.00719.04
8.1.140.0040.00417.72
8.1.130.0070.00020.36
8.1.120.0030.00317.48
8.1.110.0000.00717.57
8.1.100.0030.00417.55
8.1.90.0040.00417.59
8.1.80.0000.00817.65
8.1.70.0040.00417.60
8.1.60.0060.00317.66
8.1.50.0030.00517.61
8.1.40.0050.00517.67
8.1.30.0060.00317.78
8.1.20.0070.00417.70
8.1.10.0080.00017.52
8.1.00.0050.00317.51
8.0.300.0040.00420.11
8.0.290.0040.00416.63
8.0.280.0040.00418.49
8.0.270.0000.00817.32
8.0.260.0000.00717.35
8.0.250.0000.00716.97
8.0.240.0040.00416.96
8.0.230.0070.00016.88
8.0.220.0080.00016.90
8.0.210.0040.00417.00
8.0.200.0060.00016.98
8.0.190.0030.00617.04
8.0.180.0000.00716.87
8.0.170.0030.00616.85
8.0.160.0040.00417.00
8.0.150.0000.00716.73
8.0.140.0050.00316.91
8.0.130.0000.00613.45
8.0.120.0040.00416.78
8.0.110.0030.00516.97
8.0.100.0000.00816.75
8.0.90.0070.00017.05
8.0.80.0040.01116.89
8.0.70.0040.00416.93
8.0.60.0000.00716.75
8.0.50.0000.00716.89
8.0.30.0130.00617.17
8.0.20.0080.01117.40
8.0.10.0040.00417.04
8.0.00.0090.00916.73
7.4.330.0000.00515.55
7.4.320.0030.00316.50
7.4.300.0000.00616.50
7.4.290.0000.00616.46
7.4.280.0040.00416.45
7.4.270.0000.00716.64
7.4.260.0070.00016.68
7.4.250.0070.00016.53
7.4.240.0030.00316.46
7.4.230.0000.00716.71
7.4.220.0000.00716.57
7.4.210.0030.01216.68
7.4.200.0000.00816.74
7.4.160.0110.00516.47
7.4.140.0140.00717.86
7.4.130.0120.00616.56
7.4.120.0040.01616.47
7.4.110.0060.01016.63
7.4.100.0030.01316.50
7.4.90.0110.01216.36
7.4.80.0130.00619.39
7.4.70.0130.00916.50
7.4.60.0070.01016.58
7.4.50.0040.01516.33
7.4.40.0050.01216.55
7.4.00.0060.00915.06
7.3.330.0020.00513.18
7.3.320.0000.00613.23
7.3.310.0000.00716.09
7.3.300.0000.00716.26
7.3.290.0000.00716.13
7.3.280.0120.00816.17
7.3.260.0100.00816.41
7.3.240.0080.01216.44
7.3.230.0150.00316.42
7.3.210.0080.00816.41
7.3.200.0100.00616.47
7.3.190.0100.00716.39
7.3.180.0110.00616.48
7.3.170.0040.01516.19
7.3.160.0120.00816.37
7.3.10.0050.01116.32
7.3.00.0120.00416.41
7.2.330.0070.01316.54
7.2.320.0080.01416.62
7.2.310.0100.00716.38
7.2.300.0220.02016.40
7.2.290.0140.00716.25
7.2.130.0090.00916.72
7.2.120.0150.00016.46
7.2.110.0130.00916.82
7.2.100.0080.00316.97
7.2.90.0040.00716.90
7.2.80.0000.01416.89
7.2.70.0070.00716.64
7.2.60.0110.00616.54
7.2.50.0120.00816.77
7.2.40.0700.00917.48
7.2.30.0280.00917.10
7.2.20.0280.01217.33
7.2.10.0330.00817.24
7.2.00.0590.00917.29
7.1.250.0150.00315.98
7.1.200.0000.01315.79
7.1.160.0450.01216.47
7.1.150.0430.00917.02
7.1.140.0600.01016.98
7.1.130.0810.01317.01
7.1.120.0720.00916.45
7.1.110.0520.01216.11
7.1.100.0470.01116.21
7.1.90.0110.00616.24
7.1.80.0480.00816.01
7.1.70.0470.00815.16
7.1.60.0240.01433.34
7.1.50.0870.01233.07
7.1.40.0830.01932.63
7.1.30.0640.01032.87
7.1.20.0680.01332.94
7.1.10.0440.01114.95
7.1.00.0470.00614.94

preferences:
65.46 ms | 400 KiB | 5 Q