3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_last_error_msg()); json_encode(STDIN); var_dump(json_last_error_msg());

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)
8.3.130.0040.00418.26
8.3.120.0040.00420.66
8.3.110.0110.00720.94
8.3.100.0040.00416.63
8.3.90.0030.00626.77
8.3.80.0030.00619.36
8.3.70.0080.00818.13
8.3.60.0180.00016.63
8.3.50.0120.00616.57
8.3.40.0120.00318.64
8.3.30.0030.01018.48
8.3.20.0000.00724.18
8.3.10.0050.00324.66
8.3.00.0040.00426.16
8.2.250.0070.01316.42
8.2.240.0040.00418.70
8.2.230.0060.00322.58
8.2.220.0100.01024.06
8.2.210.0070.01326.77
8.2.200.0030.00718.88
8.2.190.0040.01118.04
8.2.180.0100.01025.92
8.2.170.0160.00318.79
8.2.160.0100.00722.96
8.2.150.0050.00225.66
8.2.140.0040.00424.66
8.2.130.0030.00726.16
8.2.120.0040.00426.35
8.2.110.0030.00620.41
8.2.100.0110.00017.72
8.2.90.0080.00017.50
8.2.80.0000.00818.64
8.2.70.0040.00417.50
8.2.60.0050.00318.04
8.2.50.0040.00418.05
8.2.40.0080.00018.09
8.2.30.0040.00417.99
8.2.20.0050.00317.89
8.2.10.0050.00319.15
8.2.00.0030.00319.17
8.1.300.0130.00618.04
8.1.290.0040.00430.84
8.1.280.0060.01225.92
8.1.270.0070.00023.99
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0090.00023.92
8.1.230.0080.00319.50
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00817.23
8.1.190.0040.00417.10
8.1.180.0030.00518.10
8.1.170.0000.00718.57
8.1.160.0040.00418.68
8.1.150.0050.00218.75
8.1.140.0060.00318.77
8.1.130.0070.00020.03
8.1.120.0000.01017.26
8.1.110.0000.00817.26
8.1.100.0000.00717.39
8.1.90.0040.00417.43
8.1.80.0070.00017.37
8.1.70.0040.00417.36
8.1.60.0060.00317.46
8.1.50.0000.00817.44
8.1.40.0040.00417.32
8.1.30.0000.00817.59
8.1.20.0000.00717.46
8.1.10.0000.00817.35
8.1.00.0030.00517.23
8.0.300.0050.00318.77
8.0.290.0050.00316.58
8.0.280.0050.00318.43
8.0.270.0040.00417.93
8.0.260.0060.00018.47
8.0.250.0070.00016.79
8.0.240.0030.00316.81
8.0.230.0070.00016.93
8.0.220.0000.00616.82
8.0.210.0030.00316.74
8.0.200.0030.00516.81
8.0.190.0000.00716.88
8.0.180.0040.00416.87
8.0.170.0040.00416.81
8.0.160.0040.00416.84
8.0.150.0050.00316.84
8.0.140.0040.00416.72
8.0.130.0000.00513.30
8.0.120.0040.00416.81
8.0.110.0020.00516.73
8.0.100.0050.00316.85
8.0.90.0000.00816.88
8.0.80.0060.01016.80
8.0.70.0040.00416.83
8.0.60.0070.00016.81
8.0.50.0050.00316.85
8.0.30.0100.00816.79
8.0.20.0110.00416.91
8.0.10.0150.00016.99
8.0.00.0070.00716.96
7.4.330.0050.00015.55
7.4.320.0030.00316.57
7.4.300.0030.00316.48
7.4.290.0070.00016.36
7.4.280.0070.00016.40
7.4.270.0030.00316.40
7.4.260.0030.00513.14
7.4.250.0000.00716.29
7.4.240.0030.00316.48
7.4.230.0000.00716.45
7.4.220.0020.00616.36
7.4.210.0090.01016.41
7.4.200.0030.00316.55
7.4.160.0060.00916.45
7.4.150.0070.00716.46
7.4.140.0140.00016.49
7.4.130.0070.00716.30
7.4.120.0060.00716.29
7.4.110.0130.00016.42
7.4.100.0140.00316.34
7.4.90.0040.01116.40
7.4.80.0060.01216.18
7.4.70.0030.01416.25
7.4.60.0060.01216.29
7.4.50.0060.00816.25
7.4.40.0110.00416.18
7.4.30.0050.01116.45
7.4.20.0070.00716.38
7.4.10.0080.00516.38
7.4.00.0070.00716.37
7.3.330.0030.00316.13
7.3.320.0030.00312.97
7.3.310.0030.00316.16
7.3.300.0000.00716.12
7.3.290.0040.01216.10
7.3.270.0030.01116.16
7.3.260.0090.00616.05
7.3.250.0060.00616.07
7.3.240.0080.00816.20
7.3.230.0080.00516.10
7.3.220.0090.00616.10
7.3.210.0000.01415.96
7.3.200.0110.00515.99
7.3.190.0090.00516.14
7.3.180.0000.01416.09
7.3.170.0100.00716.11
7.3.160.0060.00916.14
7.3.150.0030.00916.06
7.3.140.0060.00616.08
7.3.130.0060.00616.13
7.3.120.0070.00716.03
7.3.110.0140.00416.05
7.3.100.0060.01015.95
7.3.90.0130.00316.37
7.3.80.0070.01116.04
7.3.70.0100.00316.25
7.3.60.0030.01016.29
7.3.50.0080.00516.38
7.3.40.0040.01116.24
7.3.30.0030.01016.28
7.3.20.0090.00616.28
7.3.10.0090.00616.21
7.3.00.0080.00516.22

preferences:
26.59 ms | 403 KiB | 5 Q