3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); mb_http_output('UTF-8'); $someFoo = '{ "Foo" : "Bar" }'; $asciiData = iconv(mb_detect_encoding($someFoo), "ASCII", $someFoo); echo mb_detect_encoding($asciiData) . "\r\n"; var_dump(json_decode($asciiData)); $utf8Data = utf8_encode(iconv(mb_detect_encoding($someFoo), "UTF-8", $someFoo));echo mb_detect_encoding($utf8Data) . "\r\n"; var_dump(json_decode($utf8Data));

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)
8.3.60.0110.00316.75
8.3.50.0200.00622.83
8.3.40.0060.01218.79
8.3.30.0090.00619.03
8.3.20.0070.00020.33
8.3.10.0000.00821.73
8.3.00.0040.00419.68
8.2.180.0150.00625.92
8.2.170.0110.01122.96
8.2.160.0130.00720.47
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.01326.16
8.2.120.0080.00021.09
8.2.110.0030.00622.14
8.2.100.0120.00617.91
8.2.90.0000.00819.17
8.2.80.0060.00317.97
8.2.70.0030.00517.63
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0030.00518.16
8.2.30.0040.00418.03
8.2.20.0030.00517.73
8.2.10.0050.00318.13
8.2.00.0050.00217.75
8.1.280.0070.00725.92
8.1.270.0000.00823.91
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.80
8.1.230.0090.00319.12
8.1.220.0040.00417.91
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0000.00817.35
8.1.180.0080.00018.10
8.1.170.0040.00418.61
8.1.160.0040.00421.99
8.1.150.0020.00518.82
8.1.140.0020.00517.53
8.1.130.0030.00317.83
8.1.120.0070.00017.60
8.1.110.0000.00717.50
8.1.100.0070.00017.58
8.1.90.0070.00017.42
8.1.80.0050.00217.41
8.1.70.0000.00717.41
8.1.60.0040.00417.60
8.1.50.0030.00617.64
8.1.40.0000.00917.56
8.1.30.0030.00617.70
8.1.20.0050.00317.67
8.1.10.0030.00617.54
8.1.00.0000.00817.59
8.0.300.0060.00318.77
8.0.290.0000.00816.75
8.0.280.0030.00318.43
8.0.270.0050.00217.19
8.0.260.0030.00317.33
8.0.250.0030.00317.07
8.0.240.0060.00317.09
8.0.230.0040.00416.96
8.0.220.0030.00317.05
8.0.210.0000.00716.88
8.0.200.0000.00616.95
8.0.190.0050.00317.11
8.0.180.0080.00017.03
8.0.170.0000.00817.02
8.0.160.0080.00016.95
8.0.150.0060.00317.09
8.0.140.0000.00916.86
8.0.130.0050.00013.34
8.0.120.0000.01017.12
8.0.110.0000.00917.13
8.0.100.0090.00017.13
8.0.90.0040.00417.03
8.0.80.0070.01617.12
8.0.70.0040.00417.04
8.0.60.0030.00617.14
8.0.50.0040.00417.05
8.0.30.0110.00917.19
8.0.20.0120.01317.40
8.0.10.0080.00017.04
8.0.00.0090.01416.90
7.4.330.0000.00515.00
7.4.320.0000.00616.59
7.4.300.0040.00416.62
7.4.290.0040.00416.59
7.4.280.0040.00416.58
7.4.270.0030.00316.59
7.4.260.0040.00416.67
7.4.250.0030.00516.69
7.4.240.0030.00516.79
7.4.230.0000.00816.76
7.4.220.0150.00616.90
7.4.210.0090.00616.58
7.4.200.0050.00316.83
7.4.160.0040.02216.62
7.4.150.0100.01317.40
7.4.140.0080.01117.86
7.4.130.0100.01016.71
7.4.120.0080.01116.72
7.4.110.0090.00916.71
7.4.100.0060.01316.61
7.4.90.0060.01916.66
7.4.80.0090.00919.39
7.4.70.0160.01116.56
7.4.60.0160.01116.71
7.4.50.0140.00716.70
7.4.40.0180.01216.58
7.4.30.0260.01016.55
7.4.20.0220.01616.46
7.4.10.0310.00716.85
7.4.00.0050.01615.79
7.3.330.0030.00313.18
7.3.320.0000.00513.05
7.3.310.0000.00816.38
7.3.300.0000.00816.38
7.3.290.0000.01916.48
7.3.280.0090.01316.49
7.3.270.0090.01217.40
7.3.260.0100.01016.65
7.3.250.0160.01016.58
7.3.240.0030.02016.54
7.3.230.0060.01316.72
7.3.210.0060.01216.45
7.3.200.0110.00716.54
7.3.190.0140.01316.57
7.3.180.0200.01016.59
7.3.170.0170.01116.60
7.3.160.0120.01516.45
7.3.150.0280.01116.35
7.3.140.0220.01516.37
7.3.130.0240.01516.71
7.3.120.0100.01615.62
7.3.110.0260.01016.55
7.3.100.0260.01516.62
7.3.90.0270.01416.55
7.3.80.0270.01916.78
7.3.70.0290.01516.56
7.3.60.0170.02516.48
7.3.50.0250.01416.33
7.3.40.0200.01416.38
7.3.30.0190.01516.52
7.3.20.0210.01616.55
7.3.10.0190.01316.26
7.3.00.0200.01016.46
7.2.330.0090.01316.58
7.2.320.0090.00916.88
7.2.310.0110.01416.74
7.2.300.0170.01316.86
7.2.290.0140.01316.65
7.2.280.0150.01516.59
7.2.270.0250.01116.78
7.2.260.0230.01516.83
7.2.250.0220.01516.56
7.2.240.0360.00316.90
7.2.230.0230.01216.75
7.2.220.0200.02016.44
7.2.210.0260.01016.65
7.2.200.0250.01816.73
7.2.190.0340.00816.46
7.2.180.0290.01316.68
7.2.170.0260.01216.72
7.2.160.0220.01416.54
7.2.150.0140.01616.64
7.2.140.0170.02116.68
7.2.130.0180.01216.69
7.2.120.0160.01316.54
7.2.110.0130.01016.54
7.2.100.0080.01216.88
7.2.90.0100.01516.68
7.2.80.0080.01216.61
7.2.70.0140.01016.82
7.2.60.0070.00916.95
7.2.50.0170.01016.68
7.2.40.0110.02116.74
7.2.30.0150.01216.52
7.2.20.0090.01216.96
7.2.10.0200.01617.04
7.2.00.0100.00917.82
7.1.330.0240.00915.70
7.1.320.0230.01415.95
7.1.310.0380.01315.77
7.1.300.0330.00615.71
7.1.290.0190.02015.70
7.1.280.0300.00815.75
7.1.270.0220.01415.83
7.1.260.0230.01015.79
7.1.250.0220.01315.84
7.1.240.0220.01515.68
7.1.230.0210.01415.67
7.1.220.0240.00915.80
7.1.210.0290.00815.75
7.1.200.0210.01015.66
7.1.190.0450.03015.77
7.1.180.0330.00315.77
7.1.170.0340.01415.63
7.1.160.0280.01315.73
7.1.150.1280.01615.64
7.1.140.0380.01315.63
7.1.130.0150.01715.60
7.1.120.0200.01015.73
7.1.110.0190.01315.91
7.1.100.0130.01117.08
7.1.90.0210.01215.66
7.1.80.0220.00915.61
7.1.70.0110.01016.37
7.1.60.0160.01517.49
7.1.50.0190.00916.49
7.1.40.0240.00515.62
7.1.30.0200.01415.58
7.1.20.0260.01215.63
7.1.10.0250.01515.61
7.1.00.0110.05119.06
7.0.330.0250.01615.40
7.0.320.0250.01215.68
7.0.310.0760.02315.53
7.0.300.0210.01115.49
7.0.290.0240.00915.46
7.0.280.0180.01215.38
7.0.270.0260.00815.25
7.0.260.0280.00515.34
7.0.250.0310.00015.43
7.0.240.0270.00615.63
7.0.230.0220.01115.57
7.0.220.0260.01115.36
7.0.210.0200.01415.51
7.0.200.0130.00616.21
7.0.190.0190.01015.43
7.0.180.0150.01515.52
7.0.170.0190.01015.58
7.0.160.0230.01315.47
7.0.150.0300.00515.38
7.0.140.0150.04018.78
7.0.130.0410.00315.47
7.0.120.0480.00715.43
7.0.110.0170.01215.52
7.0.100.0170.01015.37
7.0.90.0210.01015.40
7.0.80.0160.01315.52
7.0.70.0200.00915.48
7.0.60.0140.04517.61
7.0.50.0120.04716.70
7.0.40.0180.04517.79
7.0.30.0240.02517.90
7.0.20.0300.03017.92
7.0.10.0150.02717.82
7.0.00.0160.04317.89
5.6.400.0190.01915.93
5.6.390.0200.01916.08
5.6.380.0290.01116.11
5.6.370.0490.02115.98
5.6.360.0180.01516.20
5.6.350.0240.01116.19
5.6.340.0200.01316.22
5.6.330.0280.01316.01
5.6.320.0210.01116.28
5.6.310.0270.00316.12
5.6.300.0230.00916.20
5.6.290.0200.01315.90
5.6.280.0140.04118.52
5.6.270.0170.01515.88
5.6.260.0190.01116.07
5.6.250.0180.01116.18
5.6.240.0190.01216.18
5.6.230.0110.02116.07
5.6.220.0160.01616.16
5.6.210.0110.03018.37
5.6.200.0100.03017.19
5.6.190.0120.03318.25
5.6.180.0280.04618.47
5.6.170.0280.03818.28
5.6.160.0130.05018.33
5.6.150.0150.02217.15
5.6.140.0210.05617.16
5.6.130.0100.05017.24
5.6.120.0150.02718.60
5.6.110.0150.03418.61
5.6.100.0170.04518.53
5.6.90.0210.03818.60
5.6.80.0150.04318.23
5.6.70.0240.00816.05
5.6.60.0240.00615.89
5.6.50.0080.02115.97
5.6.40.0090.02115.74
5.6.30.0170.01516.02
5.6.20.0170.01415.81
5.6.10.0140.02516.02
5.6.00.0240.00816.03
5.5.380.0180.01515.85
5.5.370.0100.02115.96
5.5.360.0170.01716.02
5.5.350.1770.02818.22
5.5.340.0120.05117.03
5.5.330.0120.03418.12
5.5.320.0200.04718.24
5.5.310.0240.04118.23
5.5.300.0120.04917.07
5.5.290.0200.02817.02
5.5.280.0180.04918.51
5.5.270.0130.02718.57
5.5.260.0250.03118.53
5.5.250.0140.03218.37
5.5.240.0110.04818.19
5.5.230.0170.01315.77
5.5.220.0170.01415.93
5.5.210.0240.00515.82
5.5.200.0110.02315.84
5.5.190.0190.01315.89
5.5.180.0140.02015.99
5.5.170.0310.00816.15
5.5.160.0190.01415.88
5.5.150.0180.01215.84
5.5.140.0220.01115.72
5.5.130.0200.01315.89
5.5.120.0200.01716.05
5.5.110.0330.02515.88
5.5.100.0280.01115.86
5.5.90.0090.02816.20
5.5.80.0140.01716.04
5.5.70.0210.00915.87
5.5.60.0190.01015.63
5.5.50.0120.01815.78
5.5.40.0180.01215.88
5.5.30.0090.01915.98
5.5.20.0120.01715.78
5.5.10.0180.01815.99
5.5.00.0220.00815.93
5.4.450.0530.02615.90
5.4.440.0390.02015.91
5.4.430.0380.02316.00
5.4.420.0390.01316.03
5.4.410.0190.03015.96
5.4.400.0220.02515.83
5.4.390.0280.02615.82
5.4.380.0490.03015.53
5.4.370.0520.03515.53
5.4.360.0560.02915.50
5.4.350.0550.03215.55
5.4.340.0690.02115.65
5.4.330.0240.00312.34
5.4.320.0140.02012.59
5.4.310.0120.02212.52
5.4.300.0120.02212.57
5.4.290.0110.02312.54
5.4.280.0150.02012.44
5.4.270.0130.02412.46
5.4.260.0130.02212.45
5.4.250.0090.02712.52
5.4.240.0140.02212.46
5.4.230.0090.02512.52
5.4.220.0110.02412.42
5.4.210.0090.02212.50
5.4.200.0100.02212.45
5.4.190.0090.02512.49
5.4.180.0070.02612.38
5.4.170.0160.01812.43
5.4.160.0090.02212.55
5.4.150.0110.02112.48
5.4.140.0100.02212.27
5.4.130.0130.02312.29
5.4.120.0060.02512.28
5.4.110.0120.02012.33
5.4.100.0130.01812.30
5.4.90.0120.02112.27
5.4.80.0100.02412.30
5.4.70.0110.02112.25
5.4.60.0110.02112.30
5.4.50.0100.02112.34
5.4.40.0140.01812.31
5.4.30.0130.02012.31
5.4.20.0100.02212.26
5.4.10.0100.02112.28
5.4.00.0110.02312.06
5.3.290.0170.02313.01
5.3.280.0110.02612.98
5.3.270.0160.02113.01
5.3.260.0150.02113.01
5.3.250.0130.02212.98
5.3.240.0140.02212.91
5.3.230.0070.02613.01
5.3.220.0120.02713.02
5.3.210.0100.02713.02
5.3.200.0130.02212.92
5.3.190.0130.02212.96
5.3.180.0080.02613.02
5.3.170.0080.02413.08
5.3.160.0080.02512.98
5.3.150.0080.02913.04
5.3.140.0100.03013.10
5.3.130.0190.02212.96
5.3.120.0130.02313.04
5.3.110.0100.02912.95
5.3.100.0060.02712.72
5.3.90.0110.02512.75
5.3.80.0130.02112.65
5.3.70.0110.02412.71
5.3.60.0090.02412.75
5.3.50.0120.02212.70
5.3.40.0090.02812.64
5.3.30.0110.02512.57
5.3.20.0080.02512.48
5.3.10.0120.02212.41
5.3.00.0060.02912.49
5.2.170.0090.02010.77
5.2.160.0090.02210.71
5.2.150.0100.01910.78
5.2.140.0070.02210.74
5.2.130.0100.01810.85
5.2.120.0050.02210.81
5.2.110.0070.02110.69
5.2.100.0100.01710.79
5.2.90.0070.02010.69
5.2.80.0100.01810.71
5.2.70.0120.02010.68
5.2.60.0090.02010.66
5.2.50.0090.02010.63
5.2.40.0090.02010.69
5.2.30.0090.01810.64
5.2.20.0100.01910.59
5.2.10.0090.01810.55
5.2.00.0120.01510.48
5.1.60.0070.01710.08
5.1.50.0100.01610.07
5.1.40.0060.01910.07
5.1.30.0050.02110.24
5.1.20.0060.02110.25
5.1.10.0050.02010.12
5.1.00.0050.02310.12
5.0.50.0070.0159.35
5.0.40.0070.0139.28
5.0.30.0080.0199.19
5.0.20.0090.0119.18
5.0.10.0060.0159.16
5.0.00.0040.0219.16
4.4.90.0010.0138.34
4.4.80.0050.0098.33
4.4.70.0050.0088.33
4.4.60.0020.0138.33
4.4.50.0070.0078.34
4.4.40.0050.0148.30
4.4.30.0030.0108.33
4.4.20.0050.0078.37
4.4.10.0040.0098.38
4.4.00.0050.0138.33
4.3.110.0040.0108.29
4.3.100.0020.0158.28
4.3.90.0070.0098.27
4.3.80.0020.0228.24
4.3.70.0040.0098.27
4.3.60.0040.0118.27
4.3.50.0050.0108.26
4.3.40.0060.0138.22
4.3.30.0050.0127.59
4.3.20.0040.0107.58
4.3.10.0030.0097.56
4.3.00.0060.00813.89

preferences:
44.63 ms | 401 KiB | 5 Q