3v4l.org

run code in 300+ PHP versions simultaneously
<?php $char = chr(200); echo 'ASCII: ', mb_check_encoding($char, 'ASCII') ? 'yup' : 'nope', PHP_EOL; echo 'ISO-8859-1: ', mb_check_encoding($char, 'ISO-8859-1') ? 'yup' : 'nope', PHP_EOL; echo 'UTF-8: ', mb_check_encoding($char, 'UTF-8') ? 'yup' : 'nope', PHP_EOL; echo $char;

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)
8.3.40.0100.01018.79
8.3.30.0070.01319.04
8.3.20.0050.00320.05
8.3.10.0060.00323.54
8.3.00.0000.00819.25
8.2.170.0140.00022.96
8.2.160.0070.00720.54
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00422.38
8.2.110.0100.00022.32
8.2.100.0080.00318.09
8.2.90.0060.00319.30
8.2.80.0030.00617.97
8.2.70.0060.00317.88
8.2.60.0070.00018.16
8.2.50.0060.00318.07
8.2.40.0090.00019.91
8.2.30.0040.00418.44
8.2.20.0040.00417.80
8.2.10.0000.00818.29
8.2.00.0040.00417.93
8.1.270.0080.00823.88
8.1.260.0030.00526.35
8.1.250.0090.00028.09
8.1.240.0030.00623.82
8.1.230.0000.01019.27
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.48
8.1.190.0040.00417.48
8.1.180.0080.00019.14
8.1.170.0000.00818.68
8.1.160.0040.00422.15
8.1.150.0000.00918.75
8.1.140.0070.00017.64
8.1.130.0000.00717.94
8.1.120.0030.00317.62
8.1.110.0070.00017.59
8.1.100.0050.00517.57
8.1.90.0050.00217.46
8.1.80.0040.00417.61
8.1.70.0000.00717.55
8.1.60.0040.00717.58
8.1.50.0040.00417.65
8.1.40.0060.00317.61
8.1.30.0080.00017.67
8.1.20.0080.00017.73
8.1.10.0040.00417.68
8.1.00.0080.00017.54
8.0.300.0070.00018.77
8.0.290.0000.00817.16
8.0.280.0030.00318.45
8.0.270.0000.00717.33
8.0.260.0040.00417.27
8.0.250.0030.00317.12
8.0.240.0000.00717.04
8.0.230.0040.00417.04
8.0.220.0070.00016.91
8.0.210.0070.00017.00
8.0.200.0030.00517.02
8.0.190.0040.00417.04
8.0.180.0000.00717.00
8.0.170.0030.00617.02
8.0.160.0030.00316.84
8.0.150.0050.00217.00
8.0.140.0000.00816.99
8.0.130.0000.00713.40
8.0.120.0050.00316.94
8.0.110.0040.00416.94
8.0.100.0030.00516.90
8.0.90.0040.00416.87
8.0.80.0070.01016.87
8.0.70.0040.00317.03
8.0.60.0080.00016.88
8.0.50.0000.00716.83
8.0.30.0070.01116.90
8.0.20.0070.01017.40
8.0.10.0040.00417.08
8.0.00.0110.00616.83
7.4.330.0050.00015.00
7.4.320.0030.00316.46
7.4.300.0030.00316.57
7.4.290.0070.00016.56
7.4.280.0080.00016.70
7.4.270.0020.00516.59
7.4.260.0040.00416.65
7.4.250.0050.00316.61
7.4.240.0030.00316.59
7.4.230.0040.00416.65
7.4.220.0060.01216.61
7.4.210.0080.00716.70
7.4.200.0030.00316.70
7.4.190.0060.00016.74
7.4.160.0110.00416.50
7.4.150.0160.00017.40
7.4.140.0100.00817.86
7.4.130.0090.00816.49
7.4.120.0090.00716.61
7.4.110.0080.00816.59
7.4.100.0050.01316.66
7.4.90.0090.00816.58
7.4.80.0110.01119.39
7.4.70.0030.01316.69
7.4.60.0090.00916.44
7.4.50.0040.00416.41
7.4.40.0060.00916.54
7.4.30.0070.01116.47
7.4.10.0080.01214.75
7.4.00.0070.01015.04
7.3.330.0030.00313.18
7.3.320.0060.00013.24
7.3.310.0000.00816.41
7.3.300.0000.00716.19
7.3.290.0070.01016.38
7.3.280.0100.00716.28
7.3.270.0100.00717.40
7.3.260.0100.00716.31
7.3.250.0120.00916.59
7.3.240.0030.01416.21
7.3.230.0100.01316.48
7.3.210.0120.00416.46
7.3.200.0100.00619.39
7.3.190.0040.01816.63
7.3.180.0070.00716.45
7.3.170.0130.00316.49
7.3.160.0120.00316.44
7.3.130.0040.01514.90
7.3.120.0020.01314.95
7.3.110.0070.01015.07
7.3.100.0060.01014.95
7.3.90.0060.00915.15
7.3.80.0030.01214.61
7.3.70.0080.00614.89
7.3.60.0120.00014.96
7.3.50.0030.00715.07
7.3.40.0030.01214.93
7.3.30.0040.00414.65
7.3.20.0070.00316.57
7.3.10.0080.00616.68
7.3.00.0120.00316.68
7.2.330.0120.00616.60
7.2.320.0060.01216.43
7.2.310.0060.01216.59
7.2.300.0060.01016.47
7.2.290.0090.00916.80
7.2.260.0100.00715.01
7.2.250.0110.01114.84
7.2.240.0090.01314.83
7.2.230.0040.01214.68
7.2.220.0110.00414.86
7.2.210.0030.01214.94
7.2.200.0000.01714.79
7.2.190.0070.00714.95
7.2.180.0000.00914.88
7.2.170.0130.00314.80
7.2.160.0060.00314.78
7.2.150.0100.00016.86
7.2.140.0090.00616.34
7.2.130.0060.00516.87
7.2.120.0060.00916.80
7.2.110.0050.00816.89
7.2.100.0080.00816.88
7.2.90.0050.00716.83
7.2.80.0110.00116.78
7.2.70.0080.00816.87
7.2.60.0080.00716.67
7.2.50.0110.00416.72
7.2.40.0040.01416.46
7.2.30.0060.01016.88
7.2.20.0070.00916.73
7.2.10.0070.01017.03
7.2.00.0070.00917.79
7.1.330.0060.00615.89
7.1.320.0040.00416.01
7.1.310.0110.00315.94
7.1.300.0040.00816.16
7.1.290.0070.00715.89
7.1.280.0030.01015.77
7.1.270.0100.00715.75
7.1.260.0040.00815.70
7.1.250.0110.00615.81
7.1.240.0070.00715.72
7.1.230.0060.00615.50
7.1.220.0040.00715.83
7.1.210.0030.01015.95
7.1.200.0120.00015.75
7.1.190.0000.01815.79
7.1.180.0030.00715.61
7.1.170.0070.00716.07
7.1.160.0070.00715.82
7.1.150.0030.01015.55
7.1.140.0110.00416.05
7.1.130.0100.00015.88
7.1.120.0070.00715.65
7.1.110.0090.00015.92
7.1.100.0050.00717.02
7.1.90.0070.00716.07
7.1.80.0080.00415.97
7.1.70.0020.00716.42
7.1.60.0070.01317.64
7.1.50.0050.01316.43
7.1.40.0030.00815.89
7.1.30.0030.00815.79
7.1.20.0070.00815.70
7.1.10.0070.00315.76
7.1.00.0070.04019.22
7.0.330.0070.00715.53
7.0.320.0070.00715.24
7.0.310.0060.00615.72
7.0.300.0110.00415.31
7.0.290.0040.00715.62
7.0.280.0100.00315.57
7.0.270.0000.00815.39
7.0.260.0000.01715.48
7.0.250.0030.00715.57
7.0.240.0090.00615.34
7.0.230.0000.01315.61
7.0.220.0050.00515.39
7.0.210.0040.00915.50
7.0.200.0030.00716.05
7.0.190.0060.00615.33
7.0.180.0050.00915.55
7.0.170.0090.00315.61
7.0.160.0110.00415.47
7.0.150.0090.00515.29
7.0.140.0050.04018.93
7.0.130.0090.00315.55
7.0.120.0070.00715.70
7.0.110.0100.00015.54
7.0.100.0000.01215.51
7.0.90.0080.00315.38
7.0.80.0110.04217.71
7.0.70.0130.03817.92
7.0.60.0090.03317.85
7.0.50.0340.03917.97
7.0.40.0070.04216.91
7.0.30.0060.03116.85
7.0.20.0110.03816.85
7.0.10.0100.04316.86
7.0.00.0070.04516.92
5.6.400.0000.00914.18
5.6.390.0060.01014.14
5.6.380.0030.00914.69
5.6.370.0110.00014.72
5.6.360.0080.00414.65
5.6.350.0050.01414.55
5.6.340.0070.00314.46
5.6.330.0040.01114.38
5.6.320.0030.00614.29
5.6.310.0000.01614.13
5.6.300.0000.01414.29
5.6.290.0070.01014.02
5.6.280.0040.03917.84
5.6.270.0070.01014.35
5.6.260.0000.00814.36
5.6.250.0030.00914.61
5.6.240.0040.01114.29
5.6.230.0110.03217.49
5.6.220.0080.04517.54
5.6.210.0080.04417.55
5.6.200.0030.04817.83
5.6.190.0080.04317.62
5.6.180.0110.03917.82
5.6.170.0060.04517.63
5.6.160.0040.04217.63
5.6.150.0080.02717.64
5.6.140.0140.01817.57
5.6.130.0060.02617.73
5.6.120.0030.02617.77
5.6.110.0120.01817.70
5.6.100.0130.02017.68
5.6.90.0030.02717.72
5.6.80.0030.02717.34
5.6.70.0050.02717.47
5.6.60.0070.02717.16
5.6.50.0040.02217.43
5.6.40.0030.02617.36
5.6.30.0050.02517.29
5.6.20.0090.01817.28
5.6.10.0060.02317.34
5.6.00.0090.02117.30
5.5.380.0090.00614.27
5.5.370.0100.03717.36
5.5.360.0070.04317.50
5.5.350.0100.03317.24
5.5.340.0060.04317.49
5.5.330.0070.04517.69
5.5.320.0080.04317.59
5.5.310.0050.04717.65
5.5.300.0030.02917.47
5.5.290.0050.03317.57
5.5.280.0030.02917.39
5.5.270.0050.02417.67
5.5.260.0070.02317.53
5.5.250.0050.02317.52
5.5.240.0050.02217.19
5.5.230.0080.02717.29
5.5.220.0050.02217.38
5.5.210.0050.04017.14
5.5.200.0060.02517.12
5.5.190.0030.02817.09
5.5.180.0050.02317.35
5.5.170.0040.00914.14
5.5.160.0020.02917.26
5.5.150.0040.02417.08
5.5.140.0070.02017.22
5.5.130.0030.02217.06
5.5.120.0030.02717.16
5.5.110.0080.02217.25
5.5.100.0030.04517.12
5.5.90.0030.03317.10
5.5.80.0050.02716.99
5.5.70.0050.04817.13
5.5.60.0070.04217.08
5.5.50.0000.02617.25
5.5.40.0020.02417.04
5.5.30.0100.02017.05
5.5.20.0040.02517.03
5.5.10.0020.04416.98
5.5.00.0080.02817.12
5.4.450.0050.02115.12
5.4.440.0050.02615.15
5.4.430.0030.02315.23
5.4.420.0060.02015.15
5.4.410.0080.02015.20
5.4.400.0030.03114.98
5.4.390.0050.02215.16
5.4.380.0050.01815.09
5.4.370.0090.02214.88
5.4.360.0020.04015.04
5.4.350.0030.02314.93
5.4.340.0060.03314.93
5.4.330.0090.00611.16
5.4.320.0070.01914.93
5.4.310.0060.01814.95
5.4.300.0060.01714.93
5.4.290.0020.02315.00
5.4.280.0080.03815.01
5.4.270.0050.02415.08
5.4.260.0050.02015.19
5.4.250.0030.02115.04
5.4.240.0040.04415.00
5.4.230.0070.02815.03
5.4.220.0020.02714.99
5.4.210.0070.01915.05
5.4.200.0060.02015.00
5.4.190.0060.02115.10
5.4.180.0040.02515.04
5.4.170.0030.04015.06
5.4.160.0030.04015.03
5.4.150.0080.03214.72
5.4.140.0040.04013.64
5.4.130.0030.03913.57
5.4.120.0080.02613.52
5.4.110.0040.02913.74
5.4.100.0060.03913.73
5.4.90.0050.02713.56
5.4.80.0090.03713.63
5.4.70.0060.03113.51
5.4.60.0080.03813.52
5.4.50.0030.03813.77
5.4.40.0060.04113.54
5.4.30.0100.03513.58
5.4.20.0080.02113.46
5.4.10.0050.04013.64
5.4.00.0100.03513.46
5.3.290.0060.02312.62
5.3.280.0090.01512.58
5.3.270.0040.04112.64
5.3.260.0020.03212.54
5.3.250.0090.03912.55
5.3.240.0050.03812.60
5.3.230.0060.04312.61
5.3.220.0030.04512.61
5.3.210.0050.02412.54
5.3.200.0050.02212.61
5.3.190.0070.03812.60
5.3.180.0110.03512.61
5.3.170.0080.03812.58
5.3.160.0060.04112.59
5.3.150.0070.02612.59
5.3.140.0100.03712.52
5.3.130.0070.04112.56
5.3.120.0050.04312.51
5.3.110.0080.03912.56
5.3.100.0050.03812.28
5.3.90.0090.03712.34
5.3.80.0070.03812.27
5.3.70.0100.02512.22
5.3.60.0050.03712.21
5.3.50.0010.03012.27
5.3.40.0070.03312.23
5.3.30.0030.04012.18
5.3.20.0080.03712.11
5.3.10.0030.03712.13
5.3.00.0080.03512.04
5.2.170.0030.06311.63
5.2.160.0070.05311.63
5.2.150.0070.06011.63
5.2.140.0070.06011.63
5.2.130.0100.05711.63
5.2.120.0000.03711.63
5.2.110.0100.05311.63
5.2.100.0030.06311.63
5.2.90.0070.06011.63
5.2.80.0130.05011.63
5.2.70.0030.06311.63
5.2.60.0000.03711.63
5.2.50.0000.03711.63
5.2.40.0030.05311.63
5.2.30.0000.06711.63
5.2.20.0030.06711.63
5.2.10.0070.06311.63
5.2.00.0030.04311.63
5.1.60.0070.05011.63
5.1.50.0100.05011.63
5.1.40.0030.05311.63
5.1.30.0030.05311.63
5.1.20.0000.04011.63
5.1.10.0000.03711.63
5.1.00.0100.03311.63
5.0.50.0030.04011.63
5.0.40.0000.04711.63
5.0.30.0030.05311.63
5.0.20.0070.04011.63
5.0.10.0030.04711.63
5.0.00.0100.06311.63
4.4.90.0000.02711.63
4.4.80.0000.01711.63
4.4.70.0030.03311.63
4.4.60.0030.03011.63
4.4.50.0030.03311.63
4.4.40.0030.05311.63
4.4.30.0000.03711.63
4.4.20.0000.03711.63
4.4.10.0000.04011.63
4.4.00.0030.05311.63
4.3.110.0030.03711.63
4.3.100.0000.03711.63
4.3.90.0070.01311.63
4.3.80.0000.04711.63
4.3.70.0030.03311.63
4.3.60.0030.02311.63
4.3.50.0030.03711.63
4.3.40.0030.05011.63
4.3.30.0030.03311.63
4.3.20.0000.04011.63
4.3.10.0000.03711.63
4.3.00.0000.03311.63

preferences:
42.08 ms | 400 KiB | 5 Q