3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new StdClass(); $obj->a = 'aaa'; $obj->b = 'bbb'; var_dump(implode('","',(array)$obj)); $ar = ['x','y', 'w'=>'z']; var_dump(json_encode($ar));

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)
8.3.40.0070.01418.71
8.3.30.0110.00418.54
8.3.20.0000.00720.03
8.3.10.0040.00423.61
8.3.00.0050.00319.68
8.2.170.0060.00922.96
8.2.160.0090.00618.95
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00619.31
8.2.120.0090.00626.35
8.2.110.0030.00620.20
8.2.100.0110.00017.91
8.2.90.0060.00319.17
8.2.80.0040.00417.97
8.2.70.0030.00717.63
8.2.60.0000.00817.93
8.2.50.0000.00818.10
8.2.40.0040.00420.42
8.2.30.0040.00419.15
8.2.20.0000.00818.00
8.2.10.0070.00018.07
8.2.00.0000.00717.96
8.1.270.0070.00022.00
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00320.84
8.1.230.0080.00319.17
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00016.88
8.1.180.0040.00418.10
8.1.170.0040.00420.33
8.1.160.0030.00319.00
8.1.150.0070.00020.48
8.1.140.0050.00319.52
8.1.130.0040.00418.84
8.1.120.0050.00217.36
8.1.110.0050.00217.26
8.1.100.0040.00417.40
8.1.90.0000.00817.36
8.1.80.0040.00417.28
8.1.70.0070.00017.46
8.1.60.0080.00017.59
8.1.50.0000.00817.52
8.1.40.0080.00017.48
8.1.30.0030.00517.58
8.1.20.0060.00317.52
8.1.10.0030.00617.57
8.1.00.0070.00017.33
8.0.300.0070.00018.77
8.0.290.0070.00016.63
8.0.280.0000.00718.30
8.0.270.0040.00416.63
8.0.260.0070.00016.80
8.0.250.0040.00416.91
8.0.240.0040.00416.85
8.0.230.0080.00016.91
8.0.220.0000.00616.72
8.0.210.0000.00716.87
8.0.200.0040.00416.92
8.0.190.0030.00616.78
8.0.180.0040.00416.80
8.0.170.0000.00716.91
8.0.160.0070.00016.78
8.0.150.0050.00316.73
8.0.140.0030.00316.80
8.0.130.0070.00013.34
8.0.120.0050.00316.86
8.0.110.0050.00316.73
8.0.100.0000.00816.70
8.0.90.0040.00416.74
8.0.80.0060.01216.87
8.0.70.0040.00416.83
8.0.60.0070.00016.63
8.0.50.0000.00716.67
8.0.30.0090.00616.92
8.0.20.0090.00917.40
8.0.10.0000.00816.78
8.0.00.0160.00316.68
7.4.330.0000.00515.55
7.4.320.0070.00016.48
7.4.300.0030.00316.49
7.4.290.0150.00316.42
7.4.280.0000.00716.60
7.4.270.0050.00316.58
7.4.260.0040.00416.48
7.4.250.0030.00316.36
7.4.240.0000.00716.49
7.4.230.0030.00316.25
7.4.220.0110.00716.50
7.4.210.0030.01716.52
7.4.200.0030.00316.68
7.4.160.0090.00716.26
7.4.150.0100.01017.40
7.4.140.0080.01017.86
7.4.130.0040.01416.50
7.4.120.0100.00916.47
7.4.110.0140.00516.40
7.4.100.0090.01216.35
7.4.90.0080.00916.34
7.4.80.0130.01019.39
7.4.70.0030.01316.45
7.4.60.0110.00716.55
7.4.50.0060.00916.11
7.4.40.0120.00616.35
7.4.30.0100.01016.60
7.4.00.0040.00815.05
7.3.330.0000.00613.07
7.3.320.0000.00613.10
7.3.310.0000.00716.12
7.3.300.0000.00716.17
7.3.290.0080.00516.32
7.3.280.0110.00516.31
7.3.270.0090.00917.40
7.3.260.0080.01116.22
7.3.250.0150.00316.43
7.3.240.0100.00716.34
7.3.230.0090.01216.39
7.3.210.0100.00716.22
7.3.200.0070.01016.43
7.3.190.0170.00016.37
7.3.180.0140.00716.41
7.3.170.0120.00416.22
7.3.160.0100.00616.32
7.3.10.0160.00316.37
7.3.00.0140.01416.40
7.2.330.0040.01416.67
7.2.320.0140.00316.72
7.2.310.0070.01316.71
7.2.300.0160.00616.73
7.2.290.0120.01216.48
7.2.130.0160.01216.75
7.2.120.0150.01116.58
7.2.110.0100.01116.66
7.2.100.0080.00916.28
7.2.90.0080.00616.33
7.2.80.0050.01016.56
7.2.70.0110.00416.62
7.2.60.0120.00416.80
7.2.50.0120.00616.62
7.2.40.0090.00816.86
7.2.30.0140.00216.58
7.2.20.0040.01216.51
7.2.10.0080.00516.77
7.2.00.0060.00817.59
7.1.250.0180.00815.38
7.1.230.0000.00815.83
7.1.220.0080.00315.82
7.1.210.0000.01315.46
7.1.200.0000.01215.66
7.1.190.0070.00715.37
7.1.180.0090.00315.69
7.1.170.0030.00615.71
7.1.160.0070.00715.79
7.1.150.0090.00315.82
7.1.140.0060.00615.84
7.1.130.0030.01015.57
7.1.120.0060.00615.89
7.1.110.0090.00315.79
7.1.100.0060.00717.00
7.1.90.0030.01015.84
7.1.80.0120.00015.59
7.1.70.0280.01315.55
7.1.60.0460.00925.43
7.1.50.0380.01524.53
7.1.40.0390.01524.01
7.1.30.0420.01324.30
7.1.20.0380.01024.26
7.1.10.0270.00815.37
7.1.00.0240.00515.36
7.0.310.0030.00715.36
7.0.300.0000.01315.38
7.0.290.0000.01515.37
7.0.280.0040.00715.53
7.0.270.0030.01215.39
7.0.260.0030.00615.38
7.0.250.0090.00615.21
7.0.240.0030.01015.64
7.0.230.0030.00915.38
7.0.220.0090.00315.34
7.0.210.0070.00415.17
7.0.200.0330.00715.18
7.0.190.0340.00615.99
7.0.180.0060.00615.86
7.0.170.0320.00914.89
7.0.160.0230.01014.95
7.0.150.0200.00814.96
7.0.140.0170.01114.90
7.0.130.0270.00915.12
7.0.120.0080.01016.04
7.0.110.0030.01215.80
7.0.100.0030.01015.78
7.0.90.0230.01015.02
7.0.80.0260.01015.08
7.0.70.0270.01114.99
7.0.60.0310.00314.92
7.0.50.0070.00715.99
7.0.40.0210.01014.19
7.0.30.0230.00613.93
7.0.20.0320.00514.00
7.0.10.0310.00614.04
7.0.00.0250.00714.02
5.6.380.0000.00714.03

preferences:
44.39 ms | 400 KiB | 5 Q