3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr=[ 'foo'=>"\xFF" ]; var_dump(json_encode($arr,JSON_PARTIAL_OUTPUT_ON_ERROR));

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)
8.3.60.0110.00416.50
8.3.50.0140.00521.92
8.3.40.0120.00918.51
8.3.30.0150.00618.54
8.3.20.0080.00020.19
8.3.10.0030.00521.95
8.3.00.0000.00820.95
8.2.180.0120.00316.50
8.2.170.0070.01122.96
8.2.160.0180.00018.96
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0080.00019.54
8.2.120.0040.00426.35
8.2.110.0170.00322.20
8.2.100.0070.00417.68
8.2.90.0040.00419.22
8.2.80.0000.00917.97
8.2.70.0030.00617.38
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0040.00420.65
8.2.30.0000.00720.56
8.2.20.0000.00717.64
8.2.10.0050.00217.86
8.2.00.0040.00417.86
8.1.280.0070.00725.92
8.1.270.0040.00423.93
8.1.260.0070.00028.09
8.1.250.0100.00028.09
8.1.240.0060.00321.23
8.1.230.0060.00617.45
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0000.01017.23
8.1.190.0050.00317.10
8.1.180.0030.00618.10
8.1.170.0000.00918.68
8.1.160.0030.00522.13
8.1.150.0060.00318.75
8.1.140.0060.00319.52
8.1.130.0040.00417.62
8.1.120.0050.00317.30
8.1.110.0000.00717.43
8.1.100.0070.00017.39
8.1.90.0000.00717.24
8.1.80.0030.00617.38
8.1.70.0000.00717.24
8.1.60.0000.00817.43
8.1.50.0040.00417.49
8.1.40.0040.00417.39
8.1.30.0000.00817.58
8.1.20.0000.00817.48
8.1.10.0040.00417.31
8.1.00.0080.00017.37
8.0.300.0080.00018.77
8.0.290.0000.00816.63
8.0.280.0050.00218.25
8.0.270.0040.00417.13
8.0.260.0040.00417.19
8.0.250.0030.00316.96
8.0.240.0030.00316.89
8.0.230.0000.00716.89
8.0.220.0030.00316.86
8.0.210.0030.00316.78
8.0.200.0000.00716.78
8.0.190.0030.00316.95
8.0.180.0030.00516.73
8.0.170.0050.00316.76
8.0.160.0070.00016.93
8.0.150.0000.00716.73
8.0.140.0050.00316.70
8.0.130.0000.00513.21
8.0.120.0000.00716.88
8.0.110.0000.00716.82
8.0.100.0000.00716.82
8.0.90.0000.00716.85
8.0.80.0040.01416.79
8.0.70.0080.00016.83
8.0.60.0040.00416.67
8.0.50.0000.00716.87
8.0.30.0070.01216.89
8.0.20.0100.00917.40
8.0.10.0080.00017.02
8.0.00.0090.00816.61
7.4.330.0030.00315.08
7.4.320.0030.00316.57
7.4.300.0030.00316.49
7.4.290.0000.00716.45
7.4.280.0070.00016.54
7.4.270.0030.00316.45
7.4.260.0070.00316.44
7.4.250.0000.00816.54
7.4.240.0070.00016.45
7.4.230.0030.00316.40
7.4.220.0140.00616.61
7.4.210.0070.00716.42
7.4.200.0050.00216.28
7.4.160.0110.00516.42
7.4.150.0090.00917.40
7.4.140.0140.00817.86
7.4.130.0110.00816.35
7.4.120.0030.01516.40
7.4.110.0120.00616.30
7.4.100.0130.01016.56
7.4.90.0060.01016.33
7.4.80.0070.01119.39
7.4.70.0140.00316.46
7.4.60.0060.01116.23
7.4.50.0100.00616.36
7.4.40.0100.00716.38
7.4.30.0060.01016.55
7.4.10.0100.01014.74
7.4.00.0080.01014.73
7.3.330.0050.00012.94
7.3.320.0080.00012.98
7.3.310.0030.00316.29
7.3.300.0030.00316.13
7.3.290.0130.00316.10
7.3.280.0090.00616.12
7.3.270.0140.00317.40
7.3.260.0100.00616.08
7.3.250.0150.00516.27
7.3.240.0110.00616.14
7.3.230.0080.00816.39
7.3.210.0100.00616.37
7.3.200.0060.01016.14
7.3.190.0150.00916.32
7.3.180.0110.00416.33
7.3.170.0110.00616.12
7.3.160.0100.01016.36
7.3.130.0060.01314.91
7.3.120.0070.01014.64
7.3.110.0100.01014.27
7.3.100.0000.00914.57
7.3.90.0070.00714.91
7.3.80.0060.00314.85
7.3.70.0070.00314.77
7.3.60.0100.00714.68
7.3.50.0070.01014.77
7.3.40.0070.01114.74
7.3.30.0090.00614.67
7.3.20.0130.00316.61
7.3.10.0040.01116.23
7.3.00.0100.00416.28
7.2.330.0070.01116.38
7.2.320.0030.01916.37
7.2.310.0100.01016.16
7.2.300.0140.00916.39
7.2.290.0060.00916.52
7.2.260.0090.00915.02
7.2.250.0000.01815.06
7.2.240.0070.01014.71
7.2.230.0060.00614.98
7.2.220.0030.00714.67
7.2.210.0040.01514.64
7.2.200.0060.00314.94
7.2.190.0100.00314.66
7.2.180.0060.01014.92
7.2.170.0000.01114.67
7.2.160.0000.01314.96
7.2.150.0100.00716.82
7.2.140.0080.00816.53
7.2.130.0080.01116.31
7.2.120.0140.00916.46
7.2.110.0120.00616.37
7.2.100.0100.00716.37
7.2.90.0110.00716.32
7.2.80.0070.00716.37
7.2.70.0140.00616.74
7.2.60.0070.01116.39
7.2.50.0150.00616.68
7.2.40.0150.01316.66
7.2.30.0110.00716.14
7.2.20.0100.00916.32
7.2.10.0100.01316.42
7.2.00.0200.00617.48
7.1.330.0120.00315.62
7.1.320.0060.01215.42
7.1.310.0130.00015.79
7.1.300.0030.01415.61
7.1.290.0040.01115.75
7.1.280.0090.00315.43
7.1.270.0030.01315.75
7.1.260.0080.00815.88
7.1.250.0080.00915.39
7.1.240.0000.01615.71
7.1.230.0060.00615.64
7.1.220.0140.00015.71
7.1.210.0000.01515.67
7.1.200.0030.01015.78
7.1.190.0030.01015.56
7.1.180.0000.01215.64
7.1.170.0030.00715.73
7.1.160.0030.01315.67
7.1.150.0000.01015.70
7.1.140.0070.00715.78
7.1.130.0070.00415.57
7.1.120.0000.01115.81
7.1.110.0040.00815.91
7.1.100.0080.00516.89
7.1.90.0100.00015.79
7.1.80.0060.00615.80
7.1.70.0080.00516.14
7.1.60.0050.01317.55
7.1.50.0080.00015.72
7.1.40.0070.00315.52
7.1.30.0060.00315.78
7.1.20.0060.00615.83
7.1.10.0070.00715.81
7.1.00.0050.04318.80
7.0.330.0080.00415.43
7.0.320.0050.00315.09
7.0.310.0030.00714.94
7.0.300.0030.00615.19
7.0.290.0060.00615.16
7.0.280.0000.00915.38
7.0.270.0000.00814.97
7.0.260.0070.00315.32
7.0.250.0070.00715.04
7.0.240.0000.01215.43
7.0.230.0030.00615.31
7.0.220.0030.00715.35
7.0.210.0080.00615.45
7.0.200.0160.00714.89
7.0.190.0040.00815.15
7.0.180.0060.00915.35
7.0.170.0040.01115.45
7.0.160.0030.01015.37
7.0.150.0110.00415.23
7.0.140.0000.01115.35
7.0.130.0070.00715.43
7.0.120.0130.00015.30
7.0.110.0070.00715.38
7.0.100.0000.01315.32
7.0.90.0190.04717.63
7.0.80.0150.02517.63
7.0.70.0020.03917.65
7.0.60.0290.02317.50
7.0.50.0360.02417.99
7.0.40.0050.02716.81
7.0.30.0080.04116.75
7.0.20.0050.02816.71
7.0.10.0070.04216.70
7.0.00.0170.02516.83
5.6.400.0030.00713.89
5.6.390.0100.00713.97
5.6.380.0030.01014.52
5.6.370.0000.01514.45
5.6.360.0130.00014.15
5.6.350.0110.00014.40
5.6.340.0000.01014.43
5.6.330.0060.00614.40
5.6.320.0120.00014.01
5.6.310.0030.00614.26
5.6.300.0000.01414.06
5.6.290.0030.00914.18
5.6.280.0030.04017.52
5.6.270.0100.00314.19
5.6.260.0040.00714.42
5.6.250.0070.00614.53
5.6.240.0090.02317.41
5.6.230.0060.04317.38
5.6.220.0050.04617.27
5.6.210.0050.03617.38
5.6.200.0050.03017.53
5.6.190.0100.04317.53
5.6.180.0070.04517.67
5.6.170.0100.04017.71
5.6.160.0030.02917.70
5.6.150.0060.02317.71
5.6.140.0080.02317.58
5.6.130.0080.03017.64
5.6.120.0080.02917.50
5.6.110.0080.02517.78
5.6.100.0040.02517.64
5.6.90.0050.04617.77
5.6.80.0070.02017.20
5.6.70.0070.04817.42
5.6.60.0070.02017.30
5.6.50.0030.04717.12
5.6.40.0130.03717.28
5.6.30.0150.03317.37
5.6.20.0040.04617.12
5.6.10.0050.03317.15
5.6.00.0090.03917.12
5.5.380.0070.04717.42
5.5.370.0150.03517.16
5.5.360.0070.04417.14
5.5.350.0080.02917.30
5.5.340.0090.04217.45
5.5.330.0080.03317.54
5.5.320.0060.02417.49
5.5.310.0070.04517.48
5.5.300.0120.02017.58
5.5.290.0070.03717.61
5.5.280.0100.04617.46
5.5.270.0120.04017.51
5.5.260.0060.04517.56
5.5.250.0080.03217.44
5.5.240.0060.02117.07
5.5.230.0080.04117.05
5.5.220.0050.04717.17
5.5.210.0080.03817.20
5.5.200.0100.01917.04
5.5.190.0050.04317.12
5.5.180.0020.04217.08
5.5.170.0070.00714.02
5.5.160.0050.04517.12
5.5.150.0040.02717.15
5.5.140.0070.02717.13
5.5.130.0080.04217.16
5.5.120.0050.04317.12
5.5.110.0030.02517.24
5.5.100.0100.03117.03
5.5.90.0070.02816.96
5.5.80.0050.03817.31
5.5.70.0070.04517.02
5.5.60.0060.03817.06
5.5.50.0080.03617.16
5.5.40.0080.03717.04
5.5.30.0080.02917.06
5.5.20.0070.02317.11
5.5.10.0070.02217.05
5.5.00.0000.03216.84

preferences:
61.64 ms | 401 KiB | 5 Q