3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = array('bob'=>'run','sam'=>'walk','tom'=>'jump'); echo json_enconde($s);

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)
8.3.40.0090.00618.85
8.3.30.0040.01118.72
8.3.20.0040.00421.47
8.3.10.0040.00421.82
8.3.00.0000.00819.85
8.2.170.0060.00922.96
8.2.160.0040.01119.12
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0000.00722.07
8.2.120.0000.00726.35
8.2.110.0030.00621.09
8.2.100.0080.00417.92
8.2.90.0050.00319.27
8.2.80.0000.00817.97
8.2.70.0060.00317.60
8.2.60.0040.00417.80
8.2.50.0000.00818.10
8.2.40.0040.00422.26
8.2.30.0000.00719.23
8.2.20.0050.00317.58
8.2.10.0000.00718.04
8.2.00.0070.00018.15
8.1.270.0000.00723.91
8.1.260.0000.00728.09
8.1.250.0070.00028.09
8.1.240.0000.01021.25
8.1.230.0120.00017.42
8.1.220.0000.00817.79
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0080.00418.35
8.1.160.0000.00822.11
8.1.150.0050.00218.73
8.1.140.0040.00419.54
8.1.130.0050.00217.68
8.1.120.0050.00217.33
8.1.110.0050.00317.36
8.1.100.0080.00017.41
8.1.90.0040.00417.28
8.1.80.0080.00017.44
8.1.70.0020.00517.38
8.1.60.0030.00617.39
8.1.50.0080.00017.49
8.1.40.0000.00717.41
8.1.30.0000.00817.57
8.1.20.0040.00417.71
8.1.10.0000.00717.47
8.1.00.0080.00017.49
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0050.00318.38
8.0.270.0030.00317.10
8.0.260.0030.00317.23
8.0.250.0030.00316.91
8.0.240.0030.00316.81
8.0.230.0000.00716.85
8.0.220.0000.00716.75
8.0.210.0030.00316.84
8.0.200.0000.00816.94
8.0.190.0000.00816.85
8.0.180.0080.00016.79
8.0.170.0040.00416.85
8.0.160.0000.00816.82
8.0.150.0030.00316.80
8.0.140.0030.00316.84
8.0.130.0000.00513.26
8.0.120.0000.00816.89
8.0.110.0040.00416.69
8.0.100.0000.00816.86
8.0.90.0000.00716.92
8.0.80.0060.00916.83
8.0.70.0080.00016.82
8.0.60.0040.00416.69
8.0.50.0040.00416.87
8.0.30.0120.00617.06
8.0.20.0140.00817.40
8.0.10.0040.00417.02
8.0.00.0100.00716.78
7.4.330.0000.00515.08
7.4.320.0000.00716.33
7.4.300.0070.00016.48
7.4.290.0070.00016.49
7.4.280.0090.00216.58
7.4.270.0000.00716.51
7.4.260.0000.00816.54
7.4.250.0030.00516.36
7.4.240.0070.00016.52
7.4.230.0000.00716.59
7.4.220.0120.01316.51
7.4.210.0090.01216.69
7.4.200.0000.00716.59
7.4.160.0060.01216.52
7.4.150.0180.00317.40
7.4.140.0030.01417.86
7.4.130.0060.01016.46
7.4.120.0080.00916.53
7.4.110.0070.01016.66
7.4.100.0070.01816.67
7.4.90.0130.00916.46
7.4.80.0080.00919.39
7.4.70.0040.01716.51
7.4.60.0030.01316.43
7.4.50.0090.00616.64
7.4.40.0170.00016.54
7.4.30.0080.00816.34
7.4.00.0080.00715.05
7.3.330.0000.00613.03
7.3.320.0000.00713.09
7.3.310.0040.00416.26
7.3.300.0030.00316.24
7.3.290.0060.01016.29
7.3.280.0080.01016.28
7.3.270.0000.01717.40
7.3.260.0100.00716.33
7.3.250.0080.00916.38
7.3.240.0070.00916.23
7.3.230.0150.00416.47
7.3.210.0130.00316.20
7.3.200.0110.00616.31
7.3.190.0110.00716.29
7.3.180.0100.00616.50
7.3.170.0100.00716.47
7.3.160.0150.00316.23
7.3.120.0080.01114.99
7.3.110.0070.01114.54
7.3.100.0070.01014.84
7.3.90.0070.00714.94
7.3.80.0070.01014.87
7.3.70.0060.00614.49
7.3.60.0100.00314.40
7.3.50.0030.01014.90
7.3.40.0120.00314.86
7.3.30.0030.00714.71
7.3.20.0040.01216.43
7.3.10.0130.00316.29
7.3.00.0030.00616.52
7.2.330.0120.00616.25
7.2.320.0070.01016.55
7.2.310.0130.00316.30
7.2.300.0070.01416.37
7.2.290.0080.01116.20
7.2.250.0060.01215.02
7.2.240.0160.00315.15
7.2.230.0000.01515.05
7.2.220.0040.01115.11
7.2.210.0090.00615.12
7.2.200.0000.01514.89
7.2.190.0090.00614.99
7.2.180.0000.01214.91
7.2.170.0070.00714.82
7.2.160.0070.00314.91
7.2.150.0070.00716.76
7.2.140.0030.01016.88
7.2.130.0040.00716.77
7.2.120.0120.00316.90
7.2.110.0030.01016.76
7.2.100.0030.00616.77
7.2.90.0060.00916.85
7.2.80.0090.00916.86
7.2.70.0110.00716.52
7.2.60.0070.00616.69
7.2.50.0000.01116.97
7.2.40.0060.00616.90
7.2.30.0040.00716.52
7.2.20.0080.00816.60
7.2.10.0060.00916.66
7.2.00.0060.00717.94
7.1.330.0100.00315.67
7.1.320.0070.00715.29
7.1.310.0060.00615.61
7.1.300.0000.01115.33
7.1.290.0000.01215.46
7.1.280.0030.00615.55
7.1.270.0030.00915.62
7.1.260.0100.00315.79
7.1.250.0090.00015.70
7.1.240.0080.00715.44
7.1.230.0080.00415.40
7.1.220.0070.00715.59
7.1.210.0000.01215.70
7.1.200.0050.00615.45
7.1.190.0030.00615.70
7.1.180.0030.00715.58
7.1.170.0080.00415.48
7.1.160.0040.01215.61
7.1.150.0110.00415.77
7.1.140.0040.01115.64
7.1.130.0030.00515.71
7.1.120.0110.00415.59
7.1.110.0030.01515.76
7.1.100.0020.01216.94
7.1.90.0090.00015.68
7.1.80.0030.01315.49
7.1.70.0040.00816.34
7.1.60.0080.00617.68
7.1.50.0080.00916.27
7.1.40.0090.00015.56
7.1.30.0100.00715.40
7.1.20.0040.01515.66
7.1.10.0060.00615.57
7.1.00.0000.04718.91
7.0.330.0070.00715.43
7.0.320.0130.00015.14
7.0.310.0080.00615.49
7.0.300.0040.00415.36
7.0.290.0060.00614.98
7.0.280.0030.00615.42
7.0.270.0040.01115.28
7.0.260.0030.00615.35
7.0.250.0030.01115.46
7.0.240.0070.01015.09
7.0.230.0060.00615.11
7.0.220.0070.00715.49
7.0.210.0000.01715.37
7.0.200.0110.00514.97
7.0.190.0110.00315.10
7.0.180.0080.00015.37
7.0.170.0060.00915.24
7.0.160.0080.00415.32
7.0.150.0040.00415.15
7.0.140.0030.00715.33
7.0.130.0000.01615.48
7.0.120.0030.00915.12
7.0.110.0040.00715.17
7.0.100.0100.00315.28
7.0.90.0430.03517.67
7.0.80.0220.03917.69
7.0.70.0090.04417.52
7.0.60.0130.03817.58
7.0.50.0110.03317.76
7.0.40.0100.03616.85
7.0.30.0120.04616.90
7.0.20.0120.03716.84
7.0.10.0150.03816.78
7.0.00.0090.03416.87
5.6.400.0030.00913.98
5.6.390.0100.00014.47
5.6.380.0040.00714.53
5.6.370.0110.00313.90
5.6.360.0070.00714.19
5.6.350.0030.00914.21
5.6.340.0080.00414.40
5.6.330.0070.00614.13
5.6.320.0030.01514.48
5.6.310.0000.01814.36
5.6.300.0030.00813.87
5.6.290.0090.00614.21
5.6.280.0120.00314.14
5.6.270.0000.01314.27
5.6.260.0040.00714.25
5.6.250.0110.00414.25
5.6.240.0100.04617.61
5.6.230.0140.03517.34
5.6.220.0070.03717.38
5.6.210.0120.04317.50
5.6.200.0200.02817.69
5.6.190.0060.03617.59
5.6.180.0080.03817.59
5.6.170.0200.03317.53
5.6.160.0100.04417.76
5.6.150.0120.04217.50
5.6.140.0160.03017.65
5.6.130.0100.03417.46
5.6.120.0110.03817.58
5.6.110.0070.03617.59
5.6.100.0100.03417.52
5.6.90.0130.03517.60
5.6.80.0080.03617.21
5.6.70.0060.03817.16
5.6.60.0110.04217.22
5.6.50.0120.03917.21
5.6.40.0070.03517.10
5.6.30.0130.03317.34
5.6.20.0140.03917.28
5.6.10.0150.03317.28
5.6.00.0130.04217.30

preferences:
55.73 ms | 400 KiB | 5 Q