3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = "No issue !"; var_dump($test); var_dump(mb_convert_encoding($test, 'UTF-7', mb_detect_encoding($test))); var_dump(imap_utf7_encode($test)); var_dump(mb_convert_encoding($test, 'UCS-2', 'UTF-8')); var_dump(mb_detect_encoding($test, ['UTF-7'])); var_dump(mb_detect_encoding($test));

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)
8.3.60.0110.00418.43
8.3.50.0130.00718.18
8.3.40.0110.00418.79
8.3.30.0070.00718.96
8.3.20.0000.00720.35
8.3.10.0030.00523.48
8.3.00.0000.00819.38
8.2.180.0120.00617.00
8.2.170.0070.01022.96
8.2.160.0100.00320.36
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00322.05
8.2.110.0060.00322.07
8.2.100.0080.00320.59
8.2.90.0030.00619.52
8.2.80.0050.00219.25
8.2.70.0050.00318.05
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0040.00419.76
8.2.30.0040.00418.15
8.2.20.0050.00317.88
8.2.10.0040.00418.21
8.2.00.0050.00317.89
8.1.280.0100.00325.92
8.1.270.0090.00923.92
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0060.00323.96
8.1.230.0040.00719.02
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0060.00317.48
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.45
8.1.160.0040.00422.02
8.1.150.0000.00818.83
8.1.140.0000.00717.52
8.1.130.0030.00317.76
8.1.120.0030.00317.54
8.1.110.0080.00017.50
8.1.100.0070.00017.47
8.1.90.0000.00717.48
8.1.80.0030.00317.44
8.1.70.0040.00417.36
8.1.60.0040.00417.53
8.1.50.0060.00317.55
8.1.40.0060.00317.61
8.1.30.0040.00717.69
8.1.20.0040.00617.70
8.1.10.0030.00617.60
8.1.00.0050.00417.60
8.0.300.0070.00019.80
8.0.290.0050.00316.75
8.0.280.0050.00218.47
8.0.270.0030.00317.29
8.0.260.0000.00917.30
8.0.250.0030.00317.09
8.0.240.0000.00716.98
8.0.230.0040.00417.05
8.0.220.0030.00316.86
8.0.210.0070.00016.86
8.0.200.0020.00517.09
8.0.190.0040.00416.87
8.0.180.0000.00817.04
8.0.170.0080.00017.02
8.0.160.0070.00217.01
8.0.150.0040.00416.96
8.0.140.0010.00916.87
8.0.130.0040.00515.08
8.0.120.0040.00516.97
8.0.110.0040.00516.99
8.0.100.0020.00716.92
8.0.90.0060.00317.02
8.0.80.0060.01016.99
8.0.70.0030.00616.83
8.0.60.0030.00716.80
8.0.50.0060.00316.90
8.0.30.0100.00817.07
8.0.20.0100.01017.29
8.0.10.0060.00416.94
8.0.00.0110.00616.74
7.4.330.0000.00515.00
7.4.320.0000.00616.55
7.4.300.0000.00616.64
7.4.290.0000.00716.61
7.4.280.0090.00316.71
7.4.270.0080.00216.71
7.4.260.0090.00216.55
7.4.250.0080.00316.57
7.4.240.0020.00616.67
7.4.230.0070.00216.69
7.4.220.0070.00716.67
7.4.210.0090.00516.62
7.4.200.0060.00216.62
7.4.190.0030.00816.64
7.4.180.0100.00316.75
7.4.160.0080.00616.52
7.4.150.0040.01017.00
7.4.140.0090.00917.39
7.4.130.0110.00716.65
7.4.120.0130.00516.64
7.4.110.0130.00416.46
7.4.100.0130.00416.50
7.4.90.0110.00416.52
7.4.80.0100.00717.93
7.4.70.0090.00616.54
7.4.60.0080.00616.47
7.4.50.0040.00416.41
7.4.40.0070.01116.56
7.4.30.0120.00416.49
7.4.20.0090.00016.38
7.4.10.0070.00216.48
7.4.00.0060.00615.78
7.3.330.0120.00214.80
7.3.320.0100.00314.74
7.3.310.0080.00616.30
7.3.300.0100.00416.37
7.3.290.0130.00716.25
7.3.280.0110.00616.36
7.3.270.0120.00616.90
7.3.260.0130.00616.37
7.3.250.0120.00616.36
7.3.240.0110.00916.35
7.3.230.0160.00616.46
7.3.220.0220.00016.28
7.3.210.0150.00416.25
7.3.200.0150.00617.87
7.3.190.0130.00716.41
7.3.180.0120.00616.32
7.3.170.0120.01016.40
7.3.160.0170.00216.40
7.3.150.0170.00216.28
7.3.140.0210.00316.35
7.3.130.0180.00616.26
7.3.120.0120.00415.62
7.3.110.0120.00515.39
7.3.100.0080.00715.36
7.3.90.0100.00615.60
7.3.80.0130.00615.48
7.3.70.0120.00315.64
7.3.60.0110.00515.63
7.3.50.0100.00815.52
7.3.40.0120.00615.46
7.3.30.0090.00615.76
7.3.20.0100.00416.51
7.3.10.0080.00816.42
7.3.00.0070.00816.51
7.2.340.0200.00016.23
7.2.330.0190.00216.42
7.2.320.0110.00916.32
7.2.310.0110.00816.51
7.2.300.0140.00516.35
7.2.290.0100.00916.24
7.2.280.0210.00016.05
7.2.270.0150.00616.33
7.2.260.0180.00316.11
7.2.250.0170.00316.26
7.2.240.0080.00815.50
7.2.230.0080.00615.50
7.2.220.0120.00515.58
7.2.210.0140.00015.47
7.2.200.0110.00515.65
7.2.190.0090.00915.62
7.2.180.0120.00515.59
7.2.170.0110.00715.74
7.2.160.0090.00615.72
7.2.150.0060.01216.53
7.2.140.0110.00816.63
7.2.130.0140.00416.70
7.2.120.0090.00716.72
7.2.110.0110.00716.74
7.2.100.0110.00316.66
7.2.90.0100.00516.68
7.2.80.0080.01116.80
7.2.70.0090.00816.71
7.2.60.0090.00816.56
7.2.50.0110.00616.73
7.2.40.0120.00316.60
7.2.30.0110.00816.78
7.2.20.0090.00816.78
7.2.10.0120.00416.74
7.2.00.0110.00617.37
7.1.330.0110.00515.72
7.1.320.0120.00315.76
7.1.310.0110.00615.60
7.1.300.0080.00815.71
7.1.290.0120.00415.58
7.1.280.0080.00915.62
7.1.270.0050.01115.70
7.1.260.0110.00415.61
7.1.250.0080.00815.69
7.1.240.0000.01715.61
7.1.230.0190.00015.48
7.1.220.0170.00415.34
7.1.210.0150.00415.65
7.1.200.0100.00715.75
7.1.190.0150.00315.44
7.1.180.0140.00315.63
7.1.170.0120.00615.58
7.1.160.0140.00515.39
7.1.150.0180.00717.05
7.1.140.0220.00017.21
7.1.130.0160.00617.12
7.1.120.0160.00317.39
7.1.110.0220.00617.36
7.1.100.0110.00617.74
7.1.90.0100.01017.33
7.1.80.0150.00417.39
7.1.70.0060.00717.09
7.1.60.0150.00718.36
7.1.50.0130.00917.21
7.1.40.0140.00617.55
7.1.30.0150.00417.14
7.1.20.0120.00617.43
7.1.10.0090.00917.18
7.1.00.0060.04319.80
7.0.330.0110.00617.07
7.0.320.0150.00216.87
7.0.310.0230.00017.00
7.0.300.0140.00217.12
7.0.290.0070.01117.12
7.0.280.0130.00316.83
7.0.270.0140.00317.11
7.0.260.0220.00617.12
7.0.250.0150.00317.17
7.0.240.0110.00717.25
7.0.230.0120.00617.18
7.0.220.0150.00317.11
7.0.210.0170.00017.07
7.0.200.0100.00316.79
7.0.190.0170.00017.19
7.0.180.0130.00417.07
7.0.170.0080.00817.02
7.0.160.0140.00416.97
7.0.150.0170.00016.87
7.0.140.0070.04119.48
7.0.130.0140.00317.04
7.0.120.0170.00016.98
7.0.110.0200.00316.91
7.0.100.0100.00717.17
7.0.90.0120.00516.82
7.0.80.0120.00416.72
7.0.70.0160.00016.99
7.0.60.0100.04618.57
7.0.50.0100.02117.39
7.0.40.0140.04218.58
7.0.30.0210.03718.57
7.0.20.0200.02318.60
7.0.10.0080.03918.53
7.0.00.0090.03318.71
5.6.400.0140.00315.79
5.6.390.0140.00515.74
5.6.380.0130.00415.70
5.6.370.0080.00915.73
5.6.360.0070.01015.54
5.6.350.0170.00015.79
5.6.340.0130.00315.51
5.6.330.0160.00015.47
5.6.320.0170.00315.79
5.6.310.0110.00715.58
5.6.300.0120.00615.54
5.6.290.0130.00315.79
5.6.280.0100.03518.36
5.6.270.0100.00715.75
5.6.260.0130.00315.70
5.6.250.0090.00915.50
5.6.240.0100.00715.50
5.6.230.0170.00015.76
5.6.220.0130.00415.72
5.6.210.0100.04018.10
5.6.200.0110.02017.04
5.6.190.0050.03818.17
5.6.180.0180.02318.11
5.6.170.0170.02318.23
5.6.160.0070.04618.20
5.6.150.0060.04117.01
5.6.140.0100.04416.95
5.6.130.0080.04716.90
5.6.120.0070.02618.35
5.6.110.0130.04018.27
5.6.100.0100.02218.26
5.6.90.0110.02018.31
5.6.80.0080.03317.99
5.6.70.0110.00515.48
5.6.60.0120.00415.72
5.6.50.0050.01015.80
5.6.40.0040.01315.65
5.6.30.0130.00315.63
5.6.20.0110.00415.57
5.6.10.0090.00915.68
5.6.00.0130.00415.49
5.5.380.0120.00415.80
5.5.370.0170.00015.70
5.5.360.0160.00015.37
5.5.350.0160.03718.00
5.5.340.0140.03516.64
5.5.330.0150.02317.90
5.5.320.0190.02918.06
5.5.310.0110.02717.93
5.5.300.0070.02516.71
5.5.290.0100.04216.71
5.5.280.0140.03618.27
5.5.270.0090.03218.21
5.5.260.0070.04218.30
5.5.250.0120.03818.27
5.5.240.0220.03717.96
5.5.230.0120.00415.56
5.5.220.0130.00315.74
5.5.210.0120.00415.43
5.5.200.0150.00615.43
5.5.190.0100.00515.63
5.5.180.0110.00515.40
5.5.170.0110.00515.73
5.5.160.0130.00315.73
5.5.150.0120.00515.29
5.5.140.0130.00315.52
5.5.130.0080.00815.47
5.5.120.0130.00315.45
5.5.110.0160.00015.53
5.5.100.0160.00015.44
5.5.90.0120.00415.71
5.5.80.0130.00415.63
5.5.70.0120.00415.61
5.5.60.0120.00815.42
5.5.50.0140.00315.58
5.5.40.0100.00515.61
5.5.30.0160.00015.59
5.5.20.0110.00415.61
5.5.10.0080.00815.21
5.5.00.0080.00815.36
5.4.450.0470.02515.99
5.4.440.0380.02216.09
5.4.430.0310.02215.96
5.4.420.0380.00315.96
5.4.410.0350.00415.99
5.4.400.0440.00115.82
5.4.390.0360.00215.73
5.4.380.0400.00215.80
5.4.370.0370.00115.87
5.4.360.0380.00015.64
5.4.350.0390.00115.78
5.4.340.0100.01812.22
5.4.330.0080.00612.31
5.4.320.0070.02112.42
5.4.310.0120.01612.58
5.4.300.0090.01912.43
5.4.290.0090.01912.61
5.4.280.0100.02112.40
5.4.270.0080.01912.56
5.4.260.0070.02212.53
5.4.250.0080.02212.37
5.4.240.0070.02012.52
5.4.230.0090.02512.43
5.4.220.0100.02312.28
5.4.210.0110.01612.27
5.4.200.0090.02112.39
5.4.190.0110.01812.28
5.4.180.0090.02212.38
5.4.170.0090.02012.38
5.4.160.0110.01712.38
5.4.150.0080.02112.41
5.4.140.0060.02112.32
5.4.130.0070.02312.16
5.4.120.0080.02112.11
5.4.110.0080.01912.22
5.4.100.0080.01912.15
5.4.90.0070.02012.29
5.4.80.0050.02212.17
5.4.70.0070.01912.18
5.4.60.0100.01612.16
5.4.50.0070.01912.14
5.4.40.0110.01512.24
5.4.30.0120.01512.24
5.4.20.0070.02012.25
5.4.10.0080.01912.21
5.4.00.0090.02012.01

preferences:
50.25 ms | 400 KiB | 5 Q