3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode(['some' => 'string']);

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)
8.3.60.0100.01016.50
8.3.50.0110.00417.94
8.3.40.0070.00718.52
8.3.30.0060.01218.54
8.3.20.0050.00318.90
8.3.10.0070.00021.82
8.3.00.0000.00821.01
8.2.180.0090.00618.41
8.2.170.0080.00622.96
8.2.160.0030.01020.41
8.2.150.0000.00725.66
8.2.140.0060.00324.66
8.2.130.0000.00721.00
8.2.120.0040.00426.35
8.2.110.0090.00022.24
8.2.100.0040.00717.72
8.2.90.0000.00818.16
8.2.80.0000.00817.97
8.2.70.0050.00317.90
8.2.60.0040.00417.78
8.2.50.0000.00718.10
8.2.40.0040.00420.40
8.2.30.0040.00419.23
8.2.20.0000.00818.07
8.2.10.0040.00417.77
8.2.00.0020.00517.42
8.1.280.0190.00325.92
8.1.270.0070.00022.20
8.1.260.0050.00328.09
8.1.250.0070.00028.09
8.1.240.0070.00422.22
8.1.230.0060.00620.93
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.00
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0050.00318.49
8.1.160.0040.00418.72
8.1.150.0030.00520.14
8.1.140.0000.00719.43
8.1.130.0030.00317.43
8.1.120.0030.00517.36
8.1.110.0040.00417.37
8.1.100.0080.00017.33
8.1.90.0000.00717.35
8.1.80.0040.00417.20
8.1.70.0070.00017.32
8.1.60.0000.00717.48
8.1.50.0060.00317.34
8.1.40.0000.00917.41
8.1.30.0000.00817.54
8.1.20.0050.00217.54
8.1.10.0040.00417.42
8.1.00.0070.00017.38
8.0.300.0040.00419.69
8.0.290.0040.00416.63
8.0.280.0000.00718.36
8.0.270.0030.00517.24
8.0.260.0060.00017.26
8.0.250.0060.00316.79
8.0.240.0030.00316.86
8.0.230.0060.00016.79
8.0.220.0100.00016.66
8.0.210.0030.00316.66
8.0.200.0030.00316.83
8.0.190.0000.00716.69
8.0.180.0000.00716.82
8.0.170.0080.00016.67
8.0.160.0040.00416.64
8.0.150.0040.00416.69
8.0.140.0030.00516.73
8.0.130.0000.00513.22
8.0.120.0000.00716.76
8.0.110.0040.00416.67
8.0.100.0020.00516.66
8.0.90.0000.00716.62
8.0.80.0060.00916.81
8.0.70.0070.00016.60
8.0.60.0050.00216.70
8.0.50.0040.00416.64
8.0.30.0110.00616.90
8.0.20.0100.00917.40
8.0.10.0050.00216.67
8.0.00.0100.00716.66
7.4.330.0000.00615.55
7.4.320.0000.00616.37
7.4.300.0000.00616.37
7.4.290.0070.00016.46
7.4.280.0040.00416.37
7.4.270.0060.00016.36
7.4.260.0030.00316.43
7.4.250.0040.00416.47
7.4.240.0040.00416.22
7.4.230.0000.00616.16
7.4.220.0080.01216.38
7.4.210.0070.00716.34
7.4.200.0000.00716.38
7.4.160.0090.00716.41
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0080.00916.42
7.4.120.0110.00616.45
7.4.110.0060.01016.40
7.4.100.0170.00016.41
7.4.90.0100.00616.26
7.4.80.0100.00719.39
7.4.70.0090.00716.43
7.4.60.0150.00916.36
7.4.50.0080.00516.32
7.4.40.0130.00316.32
7.4.30.0150.00416.37
7.4.00.0040.00415.04
7.3.330.0050.00312.92
7.3.320.0000.00512.88
7.3.310.0070.00015.95
7.3.300.0000.00716.16
7.3.290.0100.00716.09
7.3.280.0070.01116.13
7.3.270.0100.00717.40
7.3.260.0060.01116.32
7.3.250.0080.00816.31
7.3.240.0150.00216.37
7.3.230.0130.00616.39
7.3.210.0100.00716.18
7.3.200.0030.01416.02
7.3.190.0090.00616.38
7.3.180.0120.00816.16
7.3.170.0100.00716.30
7.3.160.0030.01316.44
7.3.10.0100.00515.94
7.3.00.0190.00316.01
7.2.330.0120.00616.58
7.2.320.0000.01716.60
7.2.310.0140.00816.60
7.2.300.0070.01116.59
7.2.290.0070.01016.54
7.2.130.0140.00816.33
7.2.120.0150.00316.18
7.2.110.0060.01416.29
7.2.100.0150.00416.23
7.2.90.0140.00916.34
7.2.80.0130.00716.68
7.2.70.0150.01516.76
7.2.60.0130.00716.74
7.2.50.0120.00416.61
7.2.40.0120.01216.76
7.2.30.0140.00916.51
7.2.20.0140.00715.96
7.2.10.0170.01316.39
7.2.00.0100.00717.91
7.1.250.0130.00315.11
7.1.200.0030.01015.63
7.1.70.0030.00717.03
7.1.60.0090.00316.87
7.1.00.0170.06322.25
7.0.200.0430.00314.46
7.0.130.0100.05322.09
7.0.120.0130.06021.99
7.0.110.0100.05722.13
7.0.100.0000.06022.16
7.0.90.0170.05322.22
7.0.80.0130.06022.17
7.0.70.0070.05722.18
7.0.60.0170.04721.94
7.0.50.0130.05322.16
7.0.40.0130.05722.11
7.0.30.0130.05322.14
7.0.20.0100.05322.10
7.0.10.0170.04722.11
7.0.00.0000.08022.14
5.6.280.0130.04721.09
5.6.270.0100.05320.98
5.6.260.0130.05320.91
5.6.250.0070.06020.86
5.6.240.0100.05321.09
5.6.230.0100.05321.00
5.6.220.0170.04721.00
5.6.210.0070.06020.90
5.6.200.0130.05721.03
5.6.190.0130.06021.02
5.6.180.0070.06321.00
5.6.170.0130.05321.03
5.6.160.0100.05720.74
5.6.150.0170.06320.82
5.6.140.0070.05720.74
5.6.130.0030.05720.86
5.6.120.0170.04720.73
5.6.110.0200.06021.01
5.6.100.0130.05020.92
5.6.90.0100.05320.91
5.6.80.0030.06020.30
5.6.70.0070.05320.23
5.6.60.0130.06020.40
5.6.50.0100.07320.38
5.6.40.0130.06320.44
5.6.30.0100.06020.27
5.6.20.0100.06020.27
5.6.10.0030.06020.35
5.6.00.0100.06020.37

preferences:
63.15 ms | 400 KiB | 5 Q