3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode("one two three");

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)
8.3.70.0070.01416.58
8.3.60.0090.00618.55
8.3.50.0040.01120.09
8.3.40.0080.00618.92
8.3.30.0140.00019.09
8.3.20.0040.00424.18
8.3.10.0050.00324.66
8.3.00.0050.00326.16
8.2.190.0030.01716.58
8.2.180.0080.01225.92
8.2.170.0000.01418.96
8.2.160.0100.00722.96
8.2.150.0070.00025.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.44
8.2.110.0040.00720.97
8.2.100.0070.00417.78
8.2.90.0040.00417.72
8.2.80.0040.00417.97
8.2.70.0090.00017.38
8.2.60.0090.00017.91
8.2.50.0060.00318.07
8.2.40.0050.00318.21
8.2.30.0040.00418.04
8.2.20.0020.00520.36
8.2.10.0000.00717.86
8.2.00.0040.00418.98
8.1.280.0140.00725.92
8.1.270.0000.00823.99
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0000.00922.34
8.1.230.0120.00022.77
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0030.00617.10
8.1.190.0000.00917.10
8.1.180.0000.00818.10
8.1.170.0050.00318.53
8.1.160.0040.00418.74
8.1.150.0040.00418.56
8.1.140.0040.00417.35
8.1.130.0030.00318.62
8.1.120.0040.00417.38
8.1.110.0000.00817.32
8.1.100.0000.00817.32
8.1.90.0040.00417.33
8.1.80.0070.00317.34
8.1.70.0040.00417.30
8.1.60.0030.00517.47
8.1.50.0080.00017.30
8.1.40.0040.00417.35
8.1.30.0120.00517.52
8.1.20.0060.00317.34
8.1.10.0090.00017.34
8.1.00.0120.00517.34
8.0.300.0030.00319.78
8.0.290.0040.00416.58
8.0.280.0040.00420.21
8.0.270.0000.00817.85
8.0.260.0070.00018.45
8.0.250.0000.00716.87
8.0.240.0040.00416.85
8.0.230.0000.00616.90
8.0.220.0030.00316.64
8.0.210.0000.00716.77
8.0.200.0070.00016.77
8.0.190.0000.00716.83
8.0.180.0070.00016.69
8.0.170.0000.00916.78
8.0.160.0140.00616.77
8.0.150.0140.00716.72
8.0.140.0170.00516.61
8.0.130.0250.00316.68
8.0.120.0240.00416.65
8.0.110.0170.00416.70
8.0.100.0160.00416.66
8.0.90.0120.00316.78
8.0.80.0060.00316.68
8.0.70.0050.00516.73
8.0.60.0100.00316.71
8.0.50.0110.00016.59
8.0.30.0000.01116.71
8.0.20.0070.01116.79
8.0.10.0090.00216.89
7.4.330.0000.00515.55
7.4.320.0030.00316.43
7.4.300.0030.00316.38
7.4.290.0070.00016.20
7.4.280.0100.00516.42
7.4.270.0150.00716.38
7.4.260.0110.00716.26
7.4.250.0120.00616.40
7.4.240.0050.00516.24
7.4.230.0040.00816.30
7.4.220.0090.00916.38
7.4.210.0110.00416.42
7.4.200.0080.01116.43
7.4.190.0110.00816.45
7.4.180.0180.00016.39
7.4.160.0090.00616.43
7.4.150.0050.00316.29
7.4.140.0070.00016.33
7.4.130.0070.00216.17
7.4.120.0080.00016.36
7.4.110.0090.00016.16
7.4.100.0000.00816.34
7.4.90.0070.00216.25
7.4.80.0000.00816.26
7.4.70.0030.00616.18
7.4.60.0040.00416.33
7.4.50.0040.00416.11
7.4.40.0000.01016.17
7.4.30.0080.00316.18
7.4.20.0030.00715.95
7.4.10.0040.00415.92
7.4.00.0080.00416.20

preferences:
39.72 ms | 401 KiB | 5 Q