3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test() { echo "test"; }; echo json_encode($var = test()); echo "\n"; echo $var;

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)
8.3.60.0120.00318.58
8.3.50.0170.00318.08
8.3.40.0070.00718.75
8.3.30.0040.01118.67
8.3.20.0030.00521.81
8.3.10.0080.00020.34
8.3.00.0040.00419.25
8.2.180.0070.01418.16
8.2.170.0100.00722.96
8.2.160.0100.00319.29
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00819.95
8.2.120.0070.00026.35
8.2.110.0030.00622.21
8.2.100.0110.00017.78
8.2.90.0000.00817.63
8.2.80.0000.00817.97
8.2.70.0030.00617.93
8.2.60.0000.00818.22
8.2.50.0040.00418.10
8.2.40.0060.00321.08
8.2.30.0050.00219.20
8.2.20.0070.00018.02
8.2.10.0030.00419.31
8.2.00.0080.00018.06
8.1.280.0140.00725.92
8.1.270.0080.00020.09
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0060.00322.48
8.1.230.0040.00717.76
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0070.00617.22
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0090.00018.38
8.1.160.0040.00418.76
8.1.150.0040.00418.88
8.1.140.0030.00320.18
8.1.130.0050.00520.11
8.1.120.0030.00717.45
8.1.110.0070.00017.47
8.1.100.0040.00417.39
8.1.90.0070.00017.40
8.1.80.0050.00217.36
8.1.70.0070.00317.41
8.1.60.0040.00417.63
8.1.50.0050.00217.41
8.1.40.0040.00417.46
8.1.30.0040.00417.67
8.1.20.0000.01017.49
8.1.10.0050.00317.53
8.1.00.0040.00417.46
8.0.300.0070.00021.52
8.0.290.0070.00316.75
8.0.280.0070.00018.37
8.0.270.0040.00417.32
8.0.260.0000.00618.46
8.0.250.0070.00016.95
8.0.240.0040.00417.02
8.0.230.0000.00816.91
8.0.220.0040.00416.80
8.0.210.0050.00216.86
8.0.200.0000.00616.87
8.0.190.0000.00716.76
8.0.180.0050.00216.86
8.0.170.0000.00816.87
8.0.160.0040.00316.87
8.0.150.0000.00716.68
8.0.140.0040.00416.80
8.0.130.0000.00513.29
8.0.120.0060.00316.83
8.0.110.0070.00016.65
8.0.100.0040.00416.84
8.0.90.0000.00716.95
8.0.80.0040.01116.87
8.0.70.0070.00016.77
8.0.60.0000.00816.71
8.0.50.0040.00416.63
8.0.30.0100.00617.29
8.0.20.0220.00417.40
8.0.10.0040.00416.83
8.0.00.0070.01116.86
7.4.330.0000.00515.55
7.4.320.0080.00016.59
7.4.300.0030.00316.63
7.4.290.0040.00416.61
7.4.280.0050.00316.58
7.4.270.0000.00716.43
7.4.260.0040.00416.54
7.4.250.0000.00716.57
7.4.240.0070.00016.66
7.4.230.0000.00816.58
7.4.220.0040.00416.67
7.4.210.0030.01216.59
7.4.200.0070.00016.67
7.4.160.0110.00616.49
7.4.140.0080.00917.86
7.4.130.0030.01416.48
7.4.120.0160.00616.41
7.4.110.0060.01016.54
7.4.100.0070.01016.52
7.4.90.0090.00616.51
7.4.80.0120.01219.39
7.4.70.0080.01116.54
7.4.60.0150.00316.52
7.4.50.0000.01116.46
7.4.40.0130.00316.38
7.4.00.0040.01115.07
7.3.330.0000.00613.23
7.3.320.0000.00613.26
7.3.310.0040.00416.33
7.3.300.0000.00716.17
7.3.290.0040.00416.16
7.3.280.0080.00716.24
7.3.260.0090.01116.39
7.3.240.0100.00916.46
7.3.230.0110.00516.28
7.3.210.0110.00916.39
7.3.200.0110.00516.56
7.3.190.0030.01516.54
7.3.180.0110.00416.22
7.3.170.0100.01016.17
7.3.160.0100.00716.59
7.3.20.0760.01314.77
7.3.10.0850.00014.65
7.3.00.0680.00714.73
7.2.330.0100.00616.64
7.2.320.0040.01216.38
7.2.310.0060.01016.51
7.2.300.0120.00416.61
7.2.290.0110.01116.74
7.2.150.0850.00715.05
7.2.140.0870.00714.81
7.2.130.0770.02014.74
7.2.120.0790.00714.62
7.2.110.0680.01615.11
7.2.100.0610.01714.76
7.2.90.0770.01114.88
7.2.80.0710.00314.98
7.2.70.0770.00714.96
7.2.60.0650.01614.92
7.2.50.0800.00614.90
7.2.40.0760.01914.90
7.2.30.1570.00714.95
7.2.20.0800.01014.95
7.2.10.0740.00615.02
7.2.00.0750.00014.87
7.1.250.0890.00713.76

preferences:
61.3 ms | 400 KiB | 5 Q