3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array("m"=>10,"sm"=>20,"xl"=>30,"xxl"=>10); $json=json_encode($a); echo $json; var_dump(json_decode($json,true));

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)
8.3.60.0100.00718.18
8.3.50.0100.01321.20
8.3.40.0100.00318.63
8.3.30.0110.00420.06
8.3.20.0040.00420.04
8.3.10.0090.00022.14
8.3.00.0040.01122.57
8.2.180.0060.00918.54
8.2.170.0000.01422.96
8.2.160.0060.00920.50
8.2.150.0060.00324.18
8.2.140.0090.00624.66
8.2.130.0070.00326.16
8.2.120.0030.00519.77
8.2.110.0050.00522.25
8.2.100.0080.00419.45
8.2.90.0000.00719.08
8.2.80.0060.00319.41
8.2.70.0000.00817.61
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0040.00417.92
8.2.20.0000.00717.70
8.2.10.0040.00417.63
8.2.00.0040.00417.79
8.1.280.0100.01025.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00723.82
8.1.230.0000.01119.10
8.1.220.0070.00017.78
8.1.210.0000.00818.77
8.1.200.0090.00317.22
8.1.190.0080.00017.39
8.1.180.0040.00419.01
8.1.170.0000.00818.58
8.1.160.0070.00022.13
8.1.150.0000.00718.55
8.1.140.0050.00217.36
8.1.130.0070.00017.73
8.1.120.0040.00417.43
8.1.110.0060.00317.44
8.1.100.0030.00317.46
8.1.90.0020.00517.27
8.1.80.0000.00717.27
8.1.70.0000.00717.29
8.1.60.0080.00017.36
8.1.50.0110.00017.51
8.1.40.0000.00817.37
8.1.30.0030.00617.50
8.1.20.0030.00617.56
8.1.10.0000.00717.43
8.1.00.0020.00517.48
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0050.00318.39
8.0.270.0030.00317.25
8.0.260.0000.00716.85
8.0.250.0030.00316.95
8.0.240.0050.00316.77
8.0.230.0040.00416.81
8.0.220.0040.00416.71
8.0.210.0070.00016.82
8.0.200.0030.00316.85
8.0.190.0080.00016.86
8.0.180.0050.00316.86
8.0.170.0040.00416.75
8.0.160.0000.00716.83
8.0.150.0030.00316.72
8.0.140.0070.00016.64
8.0.130.0000.00613.18
8.0.120.0070.00016.82
8.0.110.0040.00416.80
8.0.100.0000.00816.88
8.0.90.0030.00516.81
8.0.80.0030.01416.85
8.0.70.0020.00516.81
8.0.60.0030.00516.71
8.0.50.0040.00416.80
8.0.30.0070.01317.23
8.0.20.0090.01317.40
8.0.10.0000.00716.73
8.0.00.0130.00616.76
7.4.330.0000.00515.00
7.4.320.0060.00016.44
7.4.300.0000.00716.57
7.4.290.0070.00016.54
7.4.280.0030.00316.33
7.4.270.0000.00616.54
7.4.260.0000.00716.41
7.4.250.0040.00416.48
7.4.240.0020.00516.47
7.4.230.0000.00716.45
7.4.220.0130.01316.45
7.4.210.0090.00716.39
7.4.200.0000.00716.32
7.4.190.0040.00416.33
7.4.160.0060.00916.36
7.4.150.0140.00317.40
7.4.140.0130.00617.86
7.4.130.0130.01116.40
7.4.120.0060.00916.39
7.4.110.0070.01016.48
7.4.100.0080.00816.16
7.4.90.0080.00916.33
7.4.80.0100.00719.39
7.4.70.0080.01116.26
7.4.60.0060.00916.32
7.4.50.0000.00816.39
7.4.40.0030.01222.77
7.4.30.0040.01316.29
7.4.00.0100.00614.79
7.3.330.0000.00613.06
7.3.320.0030.00313.10
7.3.310.0040.00416.17
7.3.300.0000.00716.22
7.3.290.0030.01216.18
7.3.280.0050.01216.16
7.3.270.0100.01017.40
7.3.260.0140.00316.16
7.3.250.0140.00716.37
7.3.240.0070.01016.27
7.3.230.0150.00416.47
7.3.210.0030.01316.12
7.3.200.0040.01319.39
7.3.190.0050.01116.29
7.3.180.0070.01516.17
7.3.170.0120.00616.39
7.3.160.0120.00316.51
7.3.120.0000.01114.65
7.2.330.0110.00716.45
7.2.320.0110.00616.70
7.2.310.0170.00516.31
7.2.300.0000.01616.61
7.2.290.0170.00716.56
7.2.60.0100.00316.82
7.2.00.0030.01019.25
7.1.200.0100.00015.80
7.1.100.0000.00817.91
7.1.70.0000.00716.88
7.1.60.0100.01419.29
7.1.50.0070.01416.64
7.1.00.0030.07722.57
7.0.200.0660.00314.91
7.0.140.0070.06321.95
7.0.90.0670.05719.91
7.0.80.0600.05019.84
7.0.70.0530.08019.95
7.0.60.0200.06019.95
7.0.50.0100.08020.20
7.0.40.0030.05320.11
7.0.30.0070.07020.11
7.0.20.0130.07720.09
7.0.10.0170.07320.02
7.0.00.0070.07320.04
5.6.280.0030.07321.09
5.6.240.0070.06720.69
5.6.230.0100.05020.56
5.6.220.0030.05720.48
5.6.210.0070.08020.63
5.6.200.0030.09320.94
5.6.190.0130.07721.04
5.6.180.0070.06721.07
5.6.170.0070.04021.07
5.6.160.0170.07721.06
5.6.150.0130.07021.07
5.6.140.0200.07021.02
5.6.130.0100.07721.06
5.6.120.0100.07720.98
5.6.110.0070.05320.91
5.6.100.0130.06721.11
5.6.90.0130.08021.06
5.6.80.0030.08720.39
5.6.70.0030.08020.37
5.6.60.0070.07020.47
5.6.50.0070.07020.38
5.6.40.0100.07320.26
5.6.30.0130.06320.23
5.6.20.0130.08020.36
5.6.10.0030.08020.42
5.6.00.0200.07320.36
5.5.380.0130.07020.50
5.5.370.0070.07320.41
5.5.360.0170.07720.34
5.5.350.0100.04020.31
5.5.340.0130.06020.73
5.5.330.0100.04320.78
5.5.320.0000.09020.79
5.5.310.0130.07320.82
5.5.300.0070.08720.79
5.5.290.0100.06320.77
5.5.280.0070.06320.75
5.5.270.0070.07720.89
5.5.260.0200.07020.72
5.5.250.0070.08320.58
5.5.240.0100.07720.14
5.5.230.0100.07320.25
5.5.220.0030.08320.25
5.5.210.0070.07020.14
5.5.200.0070.06020.17
5.5.190.0000.07320.10
5.5.180.0170.07320.28
5.5.160.0070.08020.15
5.5.150.0070.08020.20
5.5.140.0070.05720.20
5.5.130.0070.05320.23
5.5.120.0100.06720.22
5.5.110.0070.07020.25
5.5.100.0070.04720.15
5.5.90.0130.04320.16
5.5.80.0070.07320.05
5.5.70.0200.06019.96
5.5.60.0030.07020.13
5.5.50.0070.08020.14
5.5.40.0070.05020.06
5.5.30.0130.07319.91
5.5.20.0170.05720.04
5.5.10.0030.05020.09
5.5.00.0070.08720.10
5.4.450.0030.07719.13
5.4.440.0100.07719.28
5.4.430.0100.07719.39
5.4.420.0070.07319.13
5.4.410.0070.07019.25
5.4.400.0030.07719.06
5.4.390.0070.08018.96
5.4.380.0170.06319.09
5.4.370.0000.07318.96
5.4.360.0130.05719.03
5.4.350.0130.07319.14
5.4.340.0030.07719.10
5.4.320.0070.07019.07
5.4.310.0130.07318.98
5.4.300.0100.06719.12
5.4.290.0170.07018.94
5.4.280.0000.07719.12
5.4.270.0070.05319.07
5.4.260.0070.07719.09
5.4.250.0100.05319.04
5.4.240.0000.08318.96
5.4.230.0070.04319.14
5.4.220.0100.07318.80
5.4.210.0070.07718.94
5.4.200.0100.07319.19
5.4.190.0100.05719.05
5.4.180.0030.05019.07
5.4.170.0070.08018.89
5.4.160.0100.06019.04
5.4.150.0030.08019.04
5.4.140.0030.05016.28
5.4.130.0070.05316.28
5.4.120.0030.07316.32
5.4.110.0100.06716.42
5.4.100.0070.07316.21
5.4.90.0230.05016.26
5.4.80.0130.06016.36
5.4.70.0130.06316.24
5.4.60.0100.07016.43
5.4.50.0030.05716.41
5.4.40.0030.07716.25
5.4.30.0070.07316.34
5.4.20.0130.06716.30
5.4.10.0100.07316.40
5.4.00.0000.07715.79
5.3.290.0070.07714.60
5.3.280.0030.08014.55
5.3.270.0030.07714.47
5.3.260.0070.07714.59
5.3.250.0170.07014.62
5.3.240.0000.04314.44
5.3.230.0030.07714.43
5.3.220.0100.07314.57
5.3.210.0170.04714.51
5.3.200.0030.08314.55
5.3.190.0030.04014.56
5.3.180.0030.08014.52
5.3.170.0130.05314.55
5.3.160.0070.08014.50
5.3.150.0130.06714.50
5.3.140.0070.07714.56
5.3.130.0070.07014.54
5.3.120.0070.07014.50
5.3.110.0100.07314.41
5.3.100.0030.08013.99
5.3.90.0030.07314.02
5.3.80.0000.08013.77
5.3.70.0070.07713.96
5.3.60.0170.06013.99
5.3.50.0030.06313.90
5.3.40.0070.07013.95
5.3.30.0070.07013.89
5.3.20.0070.07013.55
5.3.10.0070.06713.41
5.3.00.0300.05713.39
5.2.170.0030.05711.19
5.2.160.0100.05711.00
5.2.150.0100.04011.13
5.2.140.0070.06011.14
5.2.130.0070.03711.08
5.2.120.0100.05711.16
5.2.110.0030.04711.12
5.2.100.0030.06711.04
5.2.90.0070.05710.93
5.2.80.0070.06011.04
5.2.70.0100.05710.93
5.2.60.0030.05311.00
5.2.50.0100.05711.00
5.2.40.0070.06710.85
5.2.30.0000.07010.77
5.2.20.0070.05310.95
5.2.10.0070.05710.71
5.2.00.0030.03310.77
5.1.60.0030.05010.04
5.1.50.0030.0409.83
5.1.40.0030.0479.96
5.1.30.0000.06310.23
5.1.20.0070.05310.20
5.1.10.0070.05310.05
5.1.00.0030.05310.11
5.0.50.0070.0408.57
5.0.40.0070.0378.45
5.0.30.0000.0678.25
5.0.20.0070.0338.07
5.0.10.0070.0338.15
5.0.00.0030.0677.99
4.4.90.0070.0307.34
4.4.80.0070.0277.34
4.4.70.0030.0337.34
4.4.60.0000.0377.34
4.4.50.0070.0277.34
4.4.40.0070.0477.34
4.4.30.0000.0407.34
4.4.20.0030.0307.34
4.4.10.0030.0337.34
4.4.00.0030.0507.34
4.3.110.0070.0237.34
4.3.100.0000.0377.34
4.3.90.0030.0307.34
4.3.80.0000.0577.34
4.3.70.0070.0307.34
4.3.60.0000.0377.34
4.3.50.0030.0307.34
4.3.40.0100.0407.34
4.3.30.0000.0377.34
4.3.20.0030.0337.34
4.3.10.0000.0337.34
4.3.00.0030.0337.34

preferences:
40.56 ms | 401 KiB | 5 Q