3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array( 'value' => 123, 'value2'=>12345678901234567890123 ); echo json_encode($data);

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)
8.3.60.0140.00018.18
8.3.50.0100.01016.46
8.3.40.0040.01118.71
8.3.30.0000.01518.59
8.3.20.0000.00720.13
8.3.10.0080.00021.82
8.3.00.0050.00220.94
8.2.180.0070.00718.41
8.2.170.0100.00322.96
8.2.160.0070.00722.11
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00222.25
8.2.120.0070.00026.35
8.2.110.0060.00322.07
8.2.100.0110.00017.91
8.2.90.0060.00319.26
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0030.00617.93
8.2.50.0090.00018.10
8.2.40.0040.00422.16
8.2.30.0040.00419.27
8.2.20.0060.00618.10
8.2.10.0040.00417.93
8.2.00.0040.00418.02
8.1.280.0070.01025.92
8.1.270.0050.00222.20
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00623.83
8.1.230.0040.00822.13
8.1.220.0040.00417.76
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0080.00018.39
8.1.160.0000.00718.96
8.1.150.0080.00020.61
8.1.140.0000.00719.41
8.1.130.0030.00318.82
8.1.120.0060.00317.45
8.1.110.0030.00617.45
8.1.100.0050.00317.26
8.1.90.0000.00717.38
8.1.80.0030.00317.27
8.1.70.0000.00817.44
8.1.60.0030.00617.54
8.1.50.0030.00617.41
8.1.40.0000.00817.36
8.1.30.0000.00917.41
8.1.20.0040.00417.54
8.1.10.0000.00717.36
8.1.00.0040.00417.30
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.29
8.0.270.0030.00517.30
8.0.260.0030.00316.80
8.0.250.0040.00416.95
8.0.240.0040.00416.73
8.0.230.0000.00916.78
8.0.220.0030.00316.70
8.0.210.0030.00316.79
8.0.200.0030.00316.81
8.0.190.0040.00416.84
8.0.180.0000.00716.82
8.0.170.0050.00316.83
8.0.160.0030.00616.91
8.0.150.0030.00416.82
8.0.140.0000.00716.71
8.0.130.0060.00213.13
8.0.120.0060.00316.78
8.0.110.0050.00216.82
8.0.100.0030.00316.62
8.0.90.0000.00816.77
8.0.80.0080.00816.81
8.0.70.0040.00416.70
8.0.60.0000.00716.93
8.0.50.0020.00516.70
8.0.30.0090.00717.02
8.0.20.0080.01017.40
8.0.10.0070.00017.03
8.0.00.0120.00616.59
7.4.330.0000.00515.55
7.4.320.0030.00316.55
7.4.300.0030.00316.45
7.4.290.0050.00516.29
7.4.280.0040.00416.56
7.4.270.0080.00016.32
7.4.260.0030.00616.32
7.4.250.0070.00016.54
7.4.240.0040.00416.50
7.4.230.0030.00316.53
7.4.220.0100.01316.39
7.4.210.0100.01016.36
7.4.200.0040.00416.19
7.4.160.0070.01316.38
7.4.150.0060.01217.40
7.4.140.0100.00717.86
7.4.130.0180.01216.46
7.4.120.0110.00616.54
7.4.110.0090.01216.48
7.4.100.0130.00716.51
7.4.90.0130.01016.46
7.4.80.0060.01019.39
7.4.70.0130.00316.42
7.4.60.0110.01416.33
7.4.50.0070.01116.19
7.4.40.0040.01216.44
7.4.30.0100.00616.55
7.4.00.0100.00714.63
7.3.330.0000.00613.05
7.3.320.0000.00612.92
7.3.310.0030.00315.94
7.3.300.0030.00315.96
7.3.290.0110.00516.10
7.3.280.0070.01016.13
7.3.270.0040.01717.40
7.3.260.0210.01416.25
7.3.250.0100.01116.38
7.3.240.0100.00916.46
7.3.230.0030.01916.44
7.3.210.0070.01016.36
7.3.200.0070.01016.16
7.3.190.0080.00816.42
7.3.180.0180.00316.33
7.3.170.0060.00916.42
7.3.160.0090.00616.32
7.2.330.0070.01016.63
7.2.320.0060.01216.51
7.2.310.0060.01216.38
7.2.300.0080.01516.46
7.2.290.0130.00316.26
7.2.60.0030.00916.88
7.2.00.0040.01419.06
7.1.200.0050.00515.52
7.1.100.0030.00718.18
7.1.70.0000.00817.11
7.1.60.0470.01333.23
7.1.50.0330.01033.05
7.1.40.0530.01032.48
7.1.30.0470.00732.71
7.1.20.0430.00732.66
7.1.10.0230.01014.62
7.1.00.0300.01314.98
7.0.200.0370.00014.80
7.0.190.0200.01014.94
7.0.180.0230.01014.24
7.0.170.0330.00314.39
7.0.160.0230.01314.38
7.0.150.0270.00714.36
7.0.140.0900.00714.31
7.0.130.0170.01314.62
7.0.120.0230.01314.35
7.0.110.0230.00714.41
7.0.100.0330.00314.43
7.0.90.0200.01314.55
7.0.80.0230.00714.36
7.0.70.0200.01014.45
7.0.60.0200.01314.09
7.0.50.0270.00314.55
7.0.40.0270.00314.52
7.0.30.0230.00714.63
7.0.20.0230.00714.45
7.0.10.0270.00314.45
7.0.00.0270.00714.57

preferences:
52.88 ms | 401 KiB | 5 Q