3v4l.org

run code in 300+ PHP versions simultaneously
<?php $encoding = 'utf-8'; $orig = PHP_VERSION_ID < 50600 ? iconv_get_encoding('internal_encoding') : ini_get('default_charset'); if (PHP_VERSION_ID < 50600) { if ($encoding) { $result = iconv_set_encoding('internal_encoding', $encoding); } else { $result = false; } } else { ini_set('default_charset', $encoding); $result = ini_get('default_charset'); } if (!$result) { echo 'Given encoding not supported on this OS!'; } else { echo 'All good'; }

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)
8.3.60.0120.00316.75
8.3.50.0140.00316.27
8.3.40.0170.00318.50
8.3.30.0140.00018.56
8.3.20.0040.00420.25
8.3.10.0030.00621.90
8.3.00.0030.00520.09
8.2.180.0090.01316.75
8.2.170.0060.01222.96
8.2.160.0130.00620.47
8.2.150.0060.00924.18
8.2.140.0080.00024.66
8.2.130.0060.01321.03
8.2.120.0160.00026.35
8.2.110.0140.01119.14
8.2.100.0000.01217.86
8.2.90.0040.00419.13
8.2.80.0000.00818.03
8.2.70.0060.00617.50
8.2.60.0080.00018.04
8.2.50.0060.00318.10
8.2.40.0040.00420.32
8.2.30.0040.00421.09
8.2.20.0000.00818.05
8.2.10.0000.00818.00
8.2.00.0040.00418.21
8.1.280.0040.01125.92
8.1.270.0160.00322.19
8.1.260.0070.00726.35
8.1.250.0100.00328.09
8.1.240.0060.00323.91
8.1.230.0080.00317.42
8.1.220.0090.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00717.22
8.1.190.0000.01017.23
8.1.180.0030.00618.10
8.1.170.0050.00318.37
8.1.160.0000.00818.93
8.1.150.0030.00520.71
8.1.140.0040.00419.64
8.1.130.0080.00018.89
8.1.120.0080.00017.50
8.1.110.0040.00417.47
8.1.100.0040.00417.47
8.1.90.0000.00717.45
8.1.80.0040.00417.47
8.1.70.0030.00317.33
8.1.60.0040.00417.50
8.1.50.0030.00917.53
8.1.40.0000.00817.51
8.1.30.0020.00517.63
8.1.20.0040.00417.55
8.1.10.0000.00817.52
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0030.00318.37
8.0.270.0030.00617.30
8.0.260.0000.00716.97
8.0.250.0000.00716.94
8.0.240.0070.00316.89
8.0.230.0000.00816.98
8.0.220.0030.00316.93
8.0.210.0030.00316.94
8.0.200.0000.00716.99
8.0.190.0030.00616.98
8.0.180.0040.00416.86
8.0.170.0060.00316.95
8.0.160.0070.00016.98
8.0.150.0090.00016.81
8.0.140.0050.00216.91
8.0.130.0030.00313.41
8.0.120.0000.00716.80
8.0.110.0000.00716.94
8.0.100.0050.00316.75
8.0.90.0080.00016.91
8.0.80.0120.00917.01
8.0.70.0040.00416.91
8.0.60.0040.00416.88
8.0.50.0040.00417.00
8.0.30.0150.00317.08
8.0.20.0120.00617.42
8.0.10.0030.00616.98
8.0.00.0090.00916.84
7.4.330.0060.00015.55
7.4.320.0030.00316.60
7.4.300.0050.00216.66
7.4.290.0050.00216.56
7.4.280.0040.00416.60
7.4.270.0070.00016.66
7.4.260.0000.00916.25
7.4.250.0000.00816.45
7.4.240.0070.00016.63
7.4.230.0030.00316.58
7.4.220.0030.01416.55
7.4.210.0100.00416.47
7.4.200.0030.00316.44
7.4.160.0110.00516.48
7.4.150.0040.01417.40
7.4.140.0110.01117.86
7.4.130.0150.00316.50
7.4.120.0100.01116.53
7.4.110.0030.01316.45
7.4.100.0000.01716.40
7.4.90.0030.01316.43
7.4.80.0040.01219.39
7.4.70.0080.00816.54
7.4.60.0170.00316.36
7.4.50.0070.01116.38
7.4.40.0040.01316.49
7.4.30.0090.00816.70
7.4.00.0040.01214.88
7.3.330.0020.00213.15
7.3.320.0000.00513.02
7.3.310.0050.00216.27
7.3.300.0030.00316.20
7.3.290.0070.00716.31
7.3.280.0060.01116.27
7.3.270.0100.00717.40
7.3.260.0120.00916.39
7.3.250.0120.00616.43
7.3.240.0110.00716.20
7.3.230.0130.00316.43
7.3.210.0100.00616.25
7.3.200.0150.00016.56
7.3.190.0150.00616.59
7.3.180.0100.01116.45
7.3.170.0160.00016.45
7.3.160.0130.01016.26
7.3.120.0080.00814.68
7.3.110.0130.00514.56
7.3.100.0050.01014.72
7.3.90.0070.00714.82
7.3.80.0080.00414.71
7.3.70.0050.01014.62
7.3.60.0080.00514.75
7.3.50.0050.00714.81
7.3.40.0050.00714.85
7.3.30.0070.00914.85
7.3.20.0070.00516.66
7.3.10.0060.00616.73
7.3.00.0040.00916.53
7.2.330.0100.00716.32
7.2.320.0100.00716.55
7.2.310.0120.00616.65
7.2.300.0000.02216.49
7.2.290.0060.01716.61
7.2.250.0040.01415.21
7.2.240.0110.00715.10
7.2.230.0070.00714.94
7.2.220.0080.01015.02
7.2.210.0070.00614.89
7.2.200.0050.01015.02
7.2.190.0050.01114.95
7.2.180.0080.00514.84
7.2.170.0070.00715.03
7.2.160.0100.00614.80
7.2.150.0060.01116.61
7.2.140.0090.00916.89
7.2.130.0080.00817.04
7.2.120.0150.00316.82
7.2.110.0040.01116.94
7.2.100.0060.00916.82
7.2.90.0040.00716.64
7.2.80.0090.00616.74
7.2.70.0060.00616.78
7.2.60.0060.00816.66
7.2.50.0130.00316.90
7.2.40.0030.00916.80
7.2.30.0030.00916.76
7.2.20.0000.01417.02
7.2.10.0030.01016.92
7.2.00.0030.01118.25
7.1.330.0070.00915.74
7.1.320.0070.01015.84
7.1.310.0030.00815.73
7.1.300.0030.00615.61
7.1.290.0060.00715.60
7.1.280.0070.00815.57
7.1.270.0040.00715.58
7.1.260.0070.00215.74
7.1.250.0070.00715.77
7.1.240.0000.01415.39
7.1.230.0070.00315.64
7.1.220.0000.00915.85
7.1.210.0030.01015.80
7.1.200.0090.00515.54
7.1.190.0080.00315.75
7.1.180.0110.00315.77
7.1.170.0030.00615.69
7.1.160.0070.00315.67
7.1.150.0000.01215.71
7.1.140.0040.01215.66
7.1.130.0000.00815.83
7.1.120.0040.00715.77
7.1.110.0070.01015.63
7.1.100.0050.01116.53
7.1.90.0080.00415.79
7.1.80.0080.00415.81
7.1.70.0150.00915.41
7.1.60.0280.00524.43
7.1.50.0250.01124.31
7.1.40.0190.01724.08
7.1.30.0220.01224.08
7.1.20.0220.01324.20
7.1.10.0160.00515.20
7.1.00.0140.01215.32
7.0.330.0030.00915.05
7.0.320.0030.00715.29
7.0.310.0070.00715.50
7.0.300.0070.00715.46
7.0.290.0040.00815.20
7.0.280.0040.00815.36
7.0.270.0000.01015.30
7.0.260.0030.01015.50
7.0.250.0040.01215.44
7.0.240.0070.00415.35
7.0.230.0040.00415.53
7.0.220.0060.00615.49
7.0.210.0070.00715.50
7.0.200.0190.00615.16
7.0.190.0110.01115.21
7.0.180.0110.00914.81
7.0.170.0150.01014.73
7.0.160.0160.01014.81
7.0.150.0100.01114.78
7.0.140.0200.00814.83
7.0.130.0110.01114.96
7.0.120.0160.00914.82
7.0.110.0150.00714.87
7.0.100.0170.00614.65
7.0.90.0100.01314.86
7.0.80.0140.00915.07
7.0.70.0090.01315.01
7.0.60.0130.00914.92
7.0.50.0100.01314.98
7.0.40.0140.00714.09
7.0.30.0980.01014.74
7.0.20.0110.01314.97
7.0.10.0070.01014.77
7.0.00.0090.00914.98
5.6.400.0030.01414.50
5.6.390.0040.01114.16
5.6.380.0080.00814.12
5.6.370.0000.01514.43
5.6.360.0090.00014.13
5.6.350.0030.00514.22
5.6.340.0110.00414.14
5.6.330.0060.00614.68
5.6.320.0030.01614.64
5.6.310.0030.01014.31
5.6.300.0060.00614.55
5.6.290.0080.00314.32
5.6.280.0060.00314.32
5.6.270.0000.01014.24
5.6.260.0070.00714.50
5.6.250.0110.00414.23
5.6.240.0060.00614.28
5.6.230.0110.00314.50
5.6.220.0100.01014.29
5.6.210.0040.00814.54
5.6.200.0060.00614.28
5.6.190.0070.00714.10
5.6.180.0100.00314.33
5.6.170.0030.00814.34
5.6.160.0060.00914.43
5.6.150.0070.01114.45
5.6.140.0040.01614.43
5.6.130.0100.00714.17
5.6.120.0070.01114.02
5.6.110.0000.00814.18
5.6.100.0030.01013.95
5.6.90.0090.00314.18
5.6.80.0060.00614.26
5.6.70.0030.00714.33
5.6.60.0070.01014.26
5.6.50.0140.00014.53
5.6.40.0060.01214.26
5.6.30.0100.00614.49
5.6.20.0040.01114.31
5.6.10.0060.00914.26
5.6.00.0030.01314.32

preferences:
42.31 ms | 400 KiB | 5 Q