3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode([]) . PHP_EOL; echo json_encode([], JSON_FORCE_OBJECT) . PHP_EOL;

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)
8.3.60.0090.01216.75
8.3.50.0000.01516.18
8.3.40.0140.00018.89
8.3.30.0150.00618.59
8.3.20.0040.00420.22
8.3.10.0040.00423.48
8.3.00.0040.00423.56
8.2.180.0110.00418.29
8.2.170.0070.00722.96
8.2.160.0110.00320.39
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00019.77
8.2.120.0000.00826.35
8.2.110.0000.00920.38
8.2.100.0080.00417.80
8.2.90.0040.00419.08
8.2.80.0040.00417.97
8.2.70.0060.00317.46
8.2.60.0000.00817.91
8.2.50.0040.00418.07
8.2.40.0090.00022.33
8.2.30.0000.00720.55
8.2.20.0000.00817.67
8.2.10.0050.00317.86
8.2.00.0040.00417.79
8.1.280.0140.00025.92
8.1.270.0000.00923.90
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0050.00324.03
8.1.230.0070.00317.64
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0080.00017.22
8.1.180.0080.00018.10
8.1.170.0040.00418.44
8.1.160.0040.00420.79
8.1.150.0070.00018.77
8.1.140.0070.00419.50
8.1.130.0070.00017.50
8.1.120.0000.00817.30
8.1.110.0030.00517.41
8.1.100.0050.00317.32
8.1.90.0030.00517.39
8.1.80.0000.00717.28
8.1.70.0000.01017.41
8.1.60.0080.00017.52
8.1.50.0000.00817.36
8.1.40.0050.00317.37
8.1.30.0030.00517.43
8.1.20.0020.00517.46
8.1.10.0080.00017.33
8.1.00.0060.00317.25
8.0.300.0040.00418.77
8.0.290.0090.00016.63
8.0.280.0070.00018.36
8.0.270.0000.00717.10
8.0.260.0030.00317.10
8.0.250.0030.00316.89
8.0.240.0080.00016.87
8.0.230.0000.00716.92
8.0.220.0000.00716.83
8.0.210.0030.00616.82
8.0.200.0000.00616.88
8.0.190.0000.00716.89
8.0.180.0040.00416.79
8.0.170.0070.00016.84
8.0.160.0040.00416.71
8.0.150.0000.00716.80
8.0.140.0080.00316.70
8.0.130.0000.00513.20
8.0.120.0040.00416.77
8.0.110.0040.00416.80
8.0.100.0040.00416.71
8.0.90.0000.00716.70
8.0.80.0090.01216.74
8.0.70.0040.00416.77
8.0.60.0060.00316.81
8.0.50.0070.00016.74
8.0.30.0130.00416.88
8.0.20.0160.00717.40
8.0.10.0070.00016.82
8.0.00.0110.01316.69
7.4.330.0000.00516.84
7.4.320.0030.00316.43
7.4.300.0000.00616.46
7.4.290.0000.00916.26
7.4.280.0000.01016.45
7.4.270.0000.00816.45
7.4.260.0030.00316.36
7.4.250.0070.00016.43
7.4.240.0010.00616.37
7.4.230.0040.00416.25
7.4.220.0060.01416.53
7.4.210.0080.00916.36
7.4.200.0050.00316.35
7.4.160.0140.00716.32
7.4.150.0080.00817.40
7.4.140.0040.01317.86
7.4.130.0110.00616.34
7.4.120.0050.01016.42
7.4.110.0150.00316.57
7.4.100.0120.00616.22
7.4.90.0120.00416.32
7.4.80.0150.00619.39
7.4.70.0060.01216.33
7.4.60.0060.01116.30
7.4.50.0090.00616.48
7.4.40.0000.01616.52
7.4.30.0130.00316.57
7.4.00.0090.00914.88
7.3.330.0050.00013.11
7.3.320.0030.00312.94
7.3.310.0020.00516.23
7.3.300.0040.00416.18
7.3.290.0070.00016.14
7.3.280.0110.00816.18
7.3.270.0100.00617.40
7.3.260.0140.00316.25
7.3.250.0100.01016.19
7.3.240.0100.00616.15
7.3.230.0160.00016.39
7.3.210.0100.00616.18
7.3.200.0130.00319.39
7.3.190.0110.00616.30
7.3.180.0130.00316.35
7.3.170.0090.00916.34
7.3.160.0090.01316.52
7.2.330.0110.00716.23
7.2.320.0160.00416.61
7.2.310.0120.00416.60
7.2.300.0080.01116.71
7.2.290.0090.00816.66
7.2.60.0000.01516.79
7.2.00.0250.00619.29
7.1.200.0000.00915.49
7.1.100.0070.00718.33
7.1.70.0030.00617.10
7.1.60.0140.01119.20
7.1.50.0100.01616.85
7.1.00.0070.09322.48
7.0.200.0140.00014.67
7.0.90.0070.05320.05
7.0.80.0100.08319.90
7.0.70.0530.07019.89
7.0.60.0530.07319.86
7.0.50.0470.08020.24
7.0.40.0030.05720.15
7.0.30.0230.04020.18
7.0.20.0130.06720.18
7.0.10.0070.05319.99
7.0.00.0070.08320.13
5.6.280.0030.03321.06
5.6.240.0070.08020.75
5.6.230.0170.07320.58
5.6.220.0030.08020.73
5.6.210.0200.06320.66
5.6.200.0100.08320.93
5.6.190.0130.07721.04
5.6.180.0130.07320.95
5.6.170.0170.08321.05
5.6.160.0030.05021.04
5.6.150.0100.08020.93
5.6.140.0170.07320.93
5.6.130.0070.05320.91
5.6.120.0070.05720.95
5.6.110.0030.07321.06
5.6.100.0130.05021.01
5.6.90.0070.04021.08
5.6.80.0130.05320.48
5.6.70.0030.05720.47
5.6.60.0100.03720.44
5.6.50.0030.04020.40
5.6.40.0070.03720.40
5.6.30.0070.03720.44
5.6.20.0030.05320.35
5.6.10.0030.04020.41
5.6.00.0030.04020.37
5.5.380.0130.08720.50
5.5.370.0070.08320.43
5.5.360.0130.07720.55
5.5.350.0070.08020.33
5.5.340.0100.08020.79
5.5.330.0070.05020.91
5.5.320.0030.08720.76
5.5.310.0070.08020.63
5.5.300.0100.07020.82
5.5.290.0030.09020.90
5.5.280.0070.06020.76
5.5.270.0000.05020.63
5.5.260.0030.04320.91
5.5.250.0000.04320.66
5.5.240.0070.04020.22
5.5.230.0000.04320.21
5.5.220.0000.04320.31
5.5.210.0070.03720.29
5.5.200.0030.04020.20
5.5.190.0000.04320.25
5.5.180.0030.04020.17
5.5.160.0100.03320.18
5.5.150.0100.03320.14
5.5.140.0100.04020.16
5.5.130.0070.03720.21
5.5.120.0030.04320.25
5.5.110.0130.03720.20
5.5.100.0070.05320.16
5.5.90.0130.03720.14
5.5.80.0030.04320.15
5.5.70.0030.04020.05
5.5.60.0100.03020.14
5.5.50.0070.03720.02
5.5.40.0070.03720.05
5.5.30.0000.04720.04
5.5.20.0030.04020.10
5.5.10.0030.04020.08
5.5.00.0000.04320.06

preferences:
60.98 ms | 400 KiB | 5 Q