3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = json_encode(['one' => 1, 'two' => 2]); var_export(implode(',', json_decode($json)));

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)
8.3.60.0070.01516.75
8.3.50.0110.00416.20
8.3.40.0100.01018.65
8.3.30.0110.00318.47
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.180.0070.00725.92
8.2.170.0110.00418.80
8.2.160.0170.00322.96
8.2.150.0080.00025.66
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00326.35
8.2.110.0030.00622.02
8.2.100.0040.00817.84
8.2.90.0060.00319.18
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0060.00317.68
8.2.50.0030.00618.07
8.2.40.0040.00417.95
8.2.30.0050.00217.89
8.2.20.0040.00417.90
8.2.10.0000.00719.14
8.2.00.0040.00419.04
8.1.280.0120.00925.92
8.1.270.0050.00223.99
8.1.260.0000.00828.09
8.1.250.0050.00328.09
8.1.240.0000.01120.51
8.1.230.0070.00717.71
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0000.00817.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0040.00418.48
8.1.160.0070.00018.86
8.1.150.0020.00518.82
8.1.140.0000.00718.86
8.1.130.0030.00320.07
8.1.120.0040.00417.28
8.1.110.0000.00717.36
8.1.100.0000.00717.29
8.1.90.0030.00617.39
8.1.80.0110.00017.39
8.1.70.0030.00717.39
8.1.60.0040.00417.52
8.1.50.0040.00417.50
8.1.40.0000.00817.53
8.1.30.0040.00417.46
8.1.20.0040.00417.63
8.1.10.0130.00017.43
8.1.00.0050.00317.43
8.0.300.0030.00618.77
8.0.290.0000.00916.63
8.0.280.0000.00818.35
8.0.270.0030.00318.00
8.0.260.0030.00318.31
8.0.250.0000.00816.95
8.0.240.0070.00016.93
8.0.230.0000.00716.96
8.0.220.0030.00316.84
8.0.210.0030.00316.79
8.0.200.0070.00016.93
8.0.190.0040.00416.80
8.0.180.0000.00716.92
8.0.170.0030.00616.82
8.0.160.0040.00416.86
8.0.150.0050.00216.89
8.0.140.0000.00716.82
8.0.130.0060.00013.23
8.0.120.0080.00016.75
8.0.110.0000.00716.87
8.0.100.0000.00716.83
8.0.90.0000.00816.92
8.0.80.0070.01016.92
8.0.70.0000.00816.79
8.0.60.0040.00416.67
8.0.50.0000.00716.94
8.0.30.0100.00716.92
8.0.20.0120.00617.17
8.0.10.0050.00217.07
8.0.00.0090.00916.73
7.4.330.0000.00415.55
7.4.320.0070.00016.57
7.4.300.0030.00316.50
7.4.290.0050.00216.47
7.4.280.0100.00016.37
7.4.270.0030.00516.38
7.4.260.0000.00613.21
7.4.250.0000.00716.50
7.4.240.0020.00516.58
7.4.230.0030.00316.17
7.4.220.0030.00316.51
7.4.210.0030.01216.52
7.4.200.0000.00716.23
7.4.130.0110.00916.38
7.4.120.0100.00716.42
7.4.110.0090.00916.34
7.4.100.0100.00716.41
7.4.90.0060.01216.15
7.4.80.0070.01016.38
7.4.70.0070.01416.22
7.4.60.0080.00816.29
7.4.50.0100.00716.38
7.4.40.0110.00716.34
7.4.30.0030.01416.32
7.4.20.0100.00716.41
7.4.10.0050.01416.39
7.4.00.0080.00916.49
7.3.330.0030.00316.26
7.3.320.0000.00612.93
7.3.310.0000.00716.15
7.3.300.0000.00716.29
7.3.290.0110.00316.24
7.3.280.0060.00916.17
7.3.260.0090.00916.30
7.3.230.0060.00916.14
7.3.210.0120.00616.20
7.3.200.0120.00916.16
7.3.190.0060.01616.19
7.3.180.0120.00616.14
7.3.170.0000.01616.49
7.3.160.0170.00016.28
7.3.150.0120.00616.19
7.3.140.0090.00916.14
7.3.130.0060.01016.04
7.3.120.0090.00616.32
7.3.110.0120.00616.28
7.3.100.0040.01216.16
7.3.90.0070.01016.07
7.3.80.0040.01216.18
7.3.70.0070.01116.15
7.3.60.0160.00016.19
7.3.50.0100.01016.29
7.3.40.0150.00416.32
7.3.30.0120.00816.07
7.3.20.0210.00016.37
7.3.10.0060.00916.14
7.3.00.0190.00416.21
7.2.330.0140.00416.38
7.2.320.0120.00916.36
7.2.310.0110.00616.52
7.2.300.0060.01816.13
7.2.290.0200.00016.32
7.2.280.0160.00316.28
7.2.270.0210.00016.64
7.2.260.0070.01016.21
7.2.250.0080.01016.39
7.2.240.0100.00716.47
7.2.230.0040.01416.63
7.2.220.0100.00716.43
7.2.210.0100.01016.45
7.2.200.0100.01016.37
7.2.190.0240.00016.23
7.2.180.0130.00416.29
7.2.170.0170.00316.14
7.2.160.0130.00616.19
7.2.150.0150.01216.31
7.2.140.0170.00316.33
7.2.130.0070.01016.36
7.2.120.0060.01416.28
7.2.110.0090.01116.53
7.2.100.0190.00016.24
7.2.90.0090.00916.46
7.2.80.0050.01316.29
7.2.70.0040.01416.29
7.2.60.0230.00916.21
7.2.50.0100.00916.44
7.2.40.0140.00716.39
7.2.30.0050.01316.57
7.2.20.0090.01516.43
7.2.10.0150.00416.39
7.2.00.0100.01016.54

preferences:
91.57 ms | 401 KiB | 5 Q