3v4l.org

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

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)
8.3.40.0070.00718.71
8.3.30.0070.00719.00
8.3.20.0050.00220.20
8.3.10.0030.00621.77
8.3.00.0080.00017.91
8.2.170.0190.00022.96
8.2.160.0100.00720.52
8.2.150.0000.00924.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00421.05
8.2.110.0060.00322.17
8.2.100.0040.00817.91
8.2.90.0040.00419.24
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0050.00317.93
8.2.50.0030.00618.07
8.2.40.0000.00818.12
8.2.30.0040.00418.18
8.2.20.0030.00517.78
8.2.10.0070.00018.00
8.2.00.0030.00617.81
8.1.270.0060.00323.84
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00322.10
8.1.230.0110.00019.14
8.1.220.0040.00417.76
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0040.00618.10
8.1.170.0000.00818.65
8.1.160.0040.00422.08
8.1.150.0040.00418.91
8.1.140.0030.00617.52
8.1.130.0070.00017.74
8.1.120.0000.00817.57
8.1.110.0000.00717.45
8.1.100.0030.00317.53
8.1.90.0040.00417.45
8.1.80.0040.00417.47
8.1.70.0000.00717.51
8.1.60.0080.00017.69
8.1.50.0030.00617.48
8.1.40.0060.00317.63
8.1.30.0050.00317.60
8.1.20.0040.00417.76
8.1.10.0030.00517.54
8.1.00.0040.00417.49
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.51
8.0.270.0030.00317.29
8.0.260.0030.00317.38
8.0.250.0000.00717.05
8.0.240.0090.00016.90
8.0.230.0000.00716.94
8.0.220.0050.00216.97
8.0.210.0060.00016.94
8.0.200.0030.00316.96
8.0.190.0000.00716.92
8.0.180.0040.00416.98
8.0.170.0000.00817.04
8.0.160.0000.00716.95
8.0.150.0030.00316.88
8.0.140.0000.00716.80
8.0.130.0050.00013.44
8.0.120.0000.00816.97
8.0.110.0000.00716.96
8.0.100.0030.00316.84
8.0.90.0070.00016.92
8.0.80.0120.00916.90
8.0.70.0040.00416.90
8.0.60.0040.00416.79
8.0.50.0000.00716.90
8.0.30.0110.01017.14
8.0.20.0110.00917.40
8.0.10.0050.00217.06
8.0.00.0120.00816.76
7.4.330.0050.00015.02
7.4.320.0040.00416.66
7.4.300.0030.00316.59
7.4.290.0000.00616.48
7.4.280.0000.00816.62
7.4.270.0050.00316.63
7.4.260.0030.00316.50
7.4.250.0000.00716.61
7.4.240.0040.00316.48
7.4.230.0040.00416.45
7.4.220.0100.00716.46
7.4.210.0090.00616.61
7.4.200.0040.00416.36
7.4.160.0090.00616.52
7.4.150.0170.00717.40
7.4.140.0070.01017.86
7.4.130.0120.00616.39
7.4.120.0130.00516.46
7.4.110.0030.01316.45
7.4.100.0140.00416.32
7.4.90.0060.01116.55
7.4.80.0090.01019.39
7.4.70.0110.00616.37
7.4.60.0070.01116.43
7.4.50.0000.00416.47
7.4.40.0060.01716.51
7.4.30.0180.00416.63
7.4.00.0030.01214.61
7.3.330.0000.00513.26
7.3.320.0050.00012.99
7.3.310.0030.00316.17
7.3.300.0030.00316.13
7.3.290.0110.00716.30
7.3.280.0080.01016.27
7.3.270.0140.00417.40
7.3.260.0070.01016.47
7.3.240.0040.01416.30
7.3.230.0100.00616.39
7.3.210.0110.00616.51
7.3.200.0140.00719.39
7.3.190.0190.00016.41
7.3.180.0160.00616.48
7.3.170.0030.01216.33
7.3.160.0100.01316.38
7.3.120.0080.00814.77
7.3.10.0090.00516.59
7.3.00.0030.00916.59
7.2.330.0120.00916.75
7.2.320.0080.00816.68
7.2.310.0090.00916.72
7.2.300.0180.00016.41
7.2.290.0070.01316.73
7.2.130.0030.01016.74
7.2.120.0060.01016.72
7.2.110.0090.00916.61
7.2.100.0100.00516.88
7.2.90.0070.01116.68
7.2.80.0140.00416.50
7.2.70.0160.00716.78
7.2.60.0050.00916.43
7.2.50.0090.00816.70
7.2.40.0080.00616.78
7.2.30.0080.00816.66
7.2.20.0070.00516.71
7.2.10.0070.00816.62
7.2.00.0070.00916.86
7.1.250.0050.00515.58
7.1.240.0060.00615.53
7.1.230.0080.00315.76
7.1.220.0070.00715.69
7.1.210.0040.00815.57
7.1.200.0050.00315.89
7.1.190.0100.00015.49
7.1.180.0040.00715.54
7.1.170.0040.00415.93
7.1.160.0070.00715.72
7.1.150.0070.00715.86
7.1.140.0060.00915.81
7.1.130.0040.00415.81
7.1.120.0060.00315.60
7.1.110.0080.00016.01
7.1.100.0040.00616.85
7.1.90.0060.00315.80
7.1.80.0070.00015.65
7.1.70.0000.01216.56
7.1.60.0090.00717.46
7.1.50.0050.00916.38
7.1.40.0040.01115.53
7.1.30.0000.01015.65
7.1.20.0060.00315.80
7.1.10.0060.00615.93
7.1.00.0030.04119.11
7.0.330.0080.00315.43
7.0.320.0050.00215.15
7.0.310.0050.00515.21
7.0.300.0030.00915.49
7.0.290.0000.00715.55
7.0.280.0090.00315.49
7.0.270.0040.01215.10
7.0.260.0030.00615.48
7.0.250.0030.00615.48
7.0.240.0030.00615.55
7.0.230.0120.00015.57
7.0.220.0070.00715.51
7.0.210.0130.00315.08
7.0.200.0050.00716.11
7.0.190.0080.00815.50
7.0.180.0050.00215.32
7.0.170.0060.00315.14
7.0.160.0060.00615.41
7.0.150.0000.00715.55
7.0.140.0060.03918.75
7.0.130.0080.00415.36
7.0.120.0070.00315.29
7.0.110.0120.00315.26
7.0.100.0000.01115.50
7.0.90.0080.00315.04
7.0.80.0060.00915.12
7.0.70.0030.00815.43
7.0.60.0050.05217.57
7.0.50.0080.03916.57
7.0.40.0020.03016.96
7.0.30.0150.04516.86
7.0.20.0170.04016.95
7.0.10.0110.04116.80
7.0.00.0080.02216.81
5.6.380.0120.00014.23
5.6.370.0040.00414.46
5.6.360.0040.00414.50
5.6.350.0140.00014.61
5.6.340.0060.00614.45
5.6.330.0000.00814.30
5.6.320.0000.00714.63
5.6.310.0000.00714.14
5.6.300.0060.00914.29
5.6.290.0120.00014.53
5.6.280.0050.03817.71
5.6.270.0000.01514.28
5.6.260.0060.00314.29
5.6.250.0000.01014.49
5.6.240.0040.00414.39
5.6.230.0000.01714.52
5.6.220.0080.00814.14
5.6.210.0090.03117.33
5.6.200.0050.02716.18
5.6.190.0090.02417.29
5.6.180.0180.04517.42
5.6.170.0130.04717.45
5.6.160.0030.04917.30
5.6.150.0050.02316.07
5.6.140.0050.04816.06
5.6.130.0030.03416.25
5.6.120.0050.04917.62
5.6.110.0080.04317.56
5.6.100.0030.04417.78
5.6.90.0060.02517.46
5.6.80.0030.04217.37
5.6.70.0030.01414.09
5.6.60.0120.00014.07
5.6.50.0030.01414.14
5.6.40.0000.01714.23
5.6.30.0030.01014.13
5.6.20.0030.01214.26
5.6.10.0030.01014.50
5.6.00.0030.00614.11
5.5.380.0060.00311.09
5.5.370.0050.00011.05
5.5.360.0040.00711.14
5.5.350.0050.03715.71
5.5.340.0070.04214.40
5.5.330.0080.04215.67
5.5.320.0040.04215.85
5.5.310.0150.02815.73
5.5.300.0090.03914.56
5.5.290.0080.04014.51
5.5.280.0060.02815.94
5.5.270.0030.02515.96
5.5.260.0070.03915.72
5.5.250.0100.03015.71
5.5.240.0180.03815.50
5.5.230.0030.00910.49
5.5.220.0030.00910.64
5.5.210.0000.01111.03
5.5.200.0000.00611.06
5.5.190.0000.00610.78
5.5.180.0060.00611.04
5.5.170.0040.00410.93
5.5.160.0070.00711.27
5.5.150.0030.00911.01
5.5.140.0030.00911.12
5.5.130.0030.00910.80
5.5.120.0050.00510.81
5.5.110.0060.00610.81
5.5.100.0040.00411.09
5.5.90.0030.00710.98
5.5.80.0070.00310.85
5.5.70.0030.01011.10
5.5.60.0060.00011.01
5.5.50.0000.01111.02
5.5.40.0030.00311.03
5.5.30.0050.00310.85
5.5.20.0060.00610.80
5.5.10.0030.00310.96
5.5.00.0030.00710.59
5.4.450.0370.02415.22
5.4.440.0070.02615.33
5.4.430.0420.01915.12
5.4.420.0250.02015.35
5.4.410.0180.02214.96
5.4.400.0430.02114.97
5.4.390.0220.02415.02
5.4.380.0520.02714.87
5.4.370.0350.03314.83
5.4.360.0380.02814.83
5.4.350.0610.03614.67
5.4.340.0550.02614.69
5.4.330.0000.01111.10
5.4.320.0040.02011.64
5.4.310.0060.01911.82
5.4.300.0060.02011.78
5.4.290.0070.02211.65
5.4.280.0050.02311.59
5.4.270.0020.02211.65
5.4.260.0010.02511.56
5.4.250.0070.01811.64
5.4.240.0030.02411.70
5.4.230.0050.02111.62
5.4.220.0060.02211.57
5.4.210.0050.02111.54
5.4.200.0040.02311.56
5.4.190.0070.01911.62
5.4.180.0050.02311.71
5.4.170.0070.01811.54
5.4.160.0090.01411.64
5.4.150.0050.02211.65
5.4.140.0050.02411.58
5.4.130.0070.01911.64
5.4.120.0040.02111.38
5.4.110.0050.02611.51
5.4.100.0080.01911.46
5.4.90.0030.02411.38
5.4.80.0030.02611.46
5.4.70.0020.02111.47
5.4.60.0030.02311.51
5.4.50.0060.02111.50
5.4.40.0060.02211.51
5.4.30.0050.02211.57
5.4.20.0060.02111.50
5.4.10.0050.02211.47
5.4.00.0030.02311.20
5.3.290.0050.02111.67
5.3.280.0060.02211.54
5.3.270.0060.02111.64
5.3.260.0040.02111.64
5.3.250.0070.01911.63
5.3.240.0060.02111.53
5.3.230.0030.02411.49
5.3.220.0060.02111.53
5.3.210.0020.02311.44
5.3.200.0060.01911.54
5.3.190.0050.02211.55
5.3.180.0060.02011.60
5.3.170.0020.02211.60
5.3.160.0050.02211.46
5.3.150.0060.02111.58
5.3.140.0060.01911.51
5.3.130.0050.02111.52
5.3.120.0050.02511.54
5.3.110.0070.02111.46
5.3.100.0060.02011.32
5.3.90.0030.02311.29
5.3.80.0020.02211.17
5.3.70.0070.01811.19
5.3.60.0060.02111.27
5.3.50.0040.01911.14
5.3.40.0030.02411.18
5.3.30.0040.02111.22
5.3.20.0050.02010.95
5.3.10.0040.02210.93
5.3.00.0050.02310.90
5.2.170.0040.0179.34
5.2.160.0030.0189.41
5.2.150.0050.0179.43
5.2.140.0020.0189.37
5.2.130.0020.0209.41
5.2.120.0030.0199.42
5.2.110.0050.0179.47
5.2.100.0040.0159.44
5.2.90.0050.0219.38
5.2.80.0040.0179.26
5.2.70.0050.0169.35
5.2.60.0050.0179.34
5.2.50.0040.0159.37
5.2.40.0040.0189.30
5.2.30.0040.0169.15
5.2.20.0050.0179.25
5.2.10.0020.0199.18
5.2.00.0020.0179.08
5.1.60.0030.0148.67
5.1.50.0050.0128.67
5.1.40.0020.0168.66
5.1.30.0030.0158.84
5.1.20.0050.0158.84
5.1.10.0060.0138.71
5.1.00.0020.0168.71
5.0.50.0030.0137.95
5.0.40.0030.0107.88
5.0.30.0040.0157.78
5.0.20.0010.0147.77
5.0.10.0020.0137.76
5.0.00.0030.0177.75
4.4.90.0050.0077.03
4.4.80.0020.0097.01
4.4.70.0020.0107.01
4.4.60.0020.0097.01
4.4.50.0040.0087.02
4.4.40.0020.0156.99
4.4.30.0040.0097.02
4.4.20.0020.0097.06
4.4.10.0040.0097.06
4.4.00.0040.0137.02
4.3.110.0010.0116.97
4.3.100.0010.0116.97
4.3.90.0030.0096.95
4.3.80.0020.0166.93
4.3.70.0040.0086.95
4.3.60.0010.0116.95
4.3.50.0010.0116.95
4.3.40.0020.0146.91
4.3.30.0020.0086.28
4.3.20.0010.0096.27
4.3.10.0020.0106.24
4.3.00.0000.00912.58

preferences:
40 ms | 400 KiB | 5 Q