3v4l.org

run code in 300+ PHP versions simultaneously
<?php $invalid = '{"test":"foo}'; $valid = '[]'; try { json_decode($invalid, true); // this fails silently json_decode($valid, true, 512, JSON_THROW_ON_ERROR); // Which is what Safe does to check if it needs to throw an exception if (json_last_error() !== JSON_ERROR_NONE) { var_dump('With the flag', json_last_error_msg()); } json_decode($valid, true); // Which is what Safe does to check if it needs to throw an exception if (json_last_error() !== JSON_ERROR_NONE) { var_dump('Without the flag', json_last_error_msg()); } } catch (Throwable $e) { echo 'This should not even be triggered: ' . $e->getMessage() . PHP_EOL; }

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)
8.3.110.0040.00420.94
8.3.100.0160.00227.08
8.3.90.0080.00832.15
8.3.80.0110.00628.04
8.3.70.0260.00927.75
8.3.60.0260.00327.75
8.3.50.0140.00527.75
8.3.40.0150.00727.75
8.3.30.0160.00527.75
8.3.20.0170.00627.75
8.3.10.0170.00427.75
8.3.00.0140.00827.75
8.2.230.0070.00422.58
8.2.220.0050.00530.80
8.2.210.0090.00432.15
8.2.200.0110.00427.91
8.2.190.0150.00627.75
8.2.180.0210.00427.75
8.2.170.0200.00627.75
8.2.160.0220.00227.75
8.2.150.0160.00727.75
8.2.140.0210.00327.75
8.2.130.0200.00327.75
8.2.120.0190.00627.75
8.2.110.0220.00327.75
8.2.100.0240.00027.75
8.2.90.0220.00327.75
8.2.80.0170.00527.75
8.2.70.0170.00427.75
8.2.60.0190.00427.75
8.2.50.0170.00527.75
8.2.40.0220.00227.75
8.2.30.0240.00627.75
8.2.20.0310.00327.75
8.2.10.0190.00627.75
8.2.00.0140.00927.75
8.1.290.0080.00834.19
8.1.280.0230.00127.75
8.1.270.0240.00227.75
8.1.260.0210.00527.75
8.1.250.0180.00627.75
8.1.240.0150.00627.75
8.1.230.0160.00527.75
8.1.220.0220.00327.75
8.1.210.0120.00927.75
8.1.200.0200.00127.75
8.1.190.0210.00427.75
8.1.180.0190.00627.75
8.1.170.0200.00527.75
8.1.160.0250.00027.75
8.1.150.0200.00427.75
8.1.140.0200.00727.75
8.1.130.0230.00527.75
8.1.120.0250.00527.75
8.1.110.0230.00627.75
8.1.100.0220.00727.75
8.1.90.0290.00027.75
8.1.80.0220.00527.75
8.1.70.0190.00727.75
8.1.60.0290.00327.75
8.1.50.0240.00827.75
8.1.40.0240.00627.75
8.1.30.0200.00827.75
8.1.20.0220.00727.75
8.1.10.0290.00327.75
8.1.00.0310.00327.75
8.0.300.0140.00537.54
8.0.290.0180.00337.54
8.0.280.0140.00637.54
8.0.270.0100.01037.54
8.0.260.0190.00037.54
8.0.250.0140.00537.54
8.0.240.0200.00037.54
8.0.230.0180.00037.54
8.0.220.0180.00037.54
8.0.210.0200.00037.54
8.0.200.0190.00037.54
8.0.190.0190.00037.54
8.0.180.0120.00837.54
8.0.170.0160.00437.54
8.0.160.0170.00337.54
8.0.150.0210.00537.54
8.0.140.0170.00637.54
8.0.130.0170.00337.54
8.0.120.0190.00037.54
8.0.110.0190.00037.54
8.0.100.0180.00237.54
8.0.90.0100.01037.54
8.0.80.0200.00037.54
8.0.70.0160.00337.54
8.0.60.0180.00037.54
8.0.50.0180.00337.54
8.0.30.0180.00437.54
8.0.20.0140.00537.54
8.0.10.0180.00337.54
8.0.00.0080.00537.54
7.4.330.0120.00637.54
7.4.320.0080.01237.54
7.4.300.0110.00737.54
7.4.290.0180.00037.54
7.4.280.0140.00737.54
7.4.270.0160.00337.54
7.4.260.0140.00637.54
7.4.250.0140.00337.54
7.4.240.0160.00337.54
7.4.230.0120.00637.54
7.4.220.0140.00337.54
7.4.210.0180.00037.54
7.4.200.0170.00037.54
7.4.190.0170.00037.54
7.4.180.0080.00837.54
7.4.160.0090.00937.54
7.4.150.0180.00437.54
7.4.140.0150.00337.54
7.4.130.0180.00037.54
7.4.120.0090.00937.54
7.4.110.0140.00437.54
7.4.100.0140.00337.54
7.4.90.0180.00037.54
7.4.80.0130.00337.54
7.4.70.0140.00337.54
7.4.60.0080.01237.54
7.4.50.0170.00037.54
7.4.40.0140.00337.54
7.4.30.0150.00237.54
7.4.20.0110.00537.54
7.4.10.0100.00737.54
7.4.00.0130.00437.54
7.3.330.0210.00037.54
7.3.320.0120.00637.54
7.3.310.0110.00737.54
7.3.300.0200.00037.54
7.3.290.0170.00337.54
7.3.280.0140.00537.54
7.3.270.0140.00537.54
7.3.260.0110.00837.54
7.3.250.0140.00337.54
7.3.240.0140.00537.54
7.3.230.0100.00737.54
7.3.220.0140.00337.54
7.3.210.0090.00937.54
7.3.200.0180.00037.54
7.3.190.0140.00537.54
7.3.180.0180.00337.54
7.3.170.0110.00637.54
7.3.160.0150.00337.54
7.3.150.0180.00037.54
7.3.140.0130.00437.54
7.3.130.0170.00037.54
7.3.120.0100.00737.54
7.3.110.0180.00037.54
7.3.100.0150.00337.54
7.3.90.0090.00937.54
7.3.80.0200.00037.54
7.3.70.0190.00037.54
7.3.60.0160.00437.54
7.3.50.0160.00437.54
7.3.40.0200.00037.54
7.3.30.0120.00437.54
7.3.20.0150.00437.54
7.3.10.0200.00037.54
7.3.00.0140.00737.54
7.2.340.0140.00337.54
7.2.330.0080.00837.54
7.2.320.0190.00037.54
7.2.310.0120.00737.54
7.2.300.0200.00037.54
7.2.290.0140.00637.54
7.2.280.0100.01037.54
7.2.270.0160.00337.54
7.2.260.0170.00037.54
7.2.250.0140.00437.54
7.2.240.0130.00437.54
7.2.230.0110.00837.54
7.2.220.0170.00337.54
7.2.210.0090.00937.54
7.2.200.0180.00037.54
7.2.190.0150.00437.54
7.2.180.0060.01237.54
7.2.170.0150.00837.54
7.2.160.0130.00537.54
7.2.150.0150.00637.54
7.2.140.0130.00637.54
7.2.130.0070.01137.54
7.2.120.0140.00637.54
7.2.110.0090.00937.54
7.2.100.0170.00337.54
7.2.90.0130.00437.54
7.2.80.0180.00337.54
7.2.70.0140.00637.54
7.2.60.0130.00637.54
7.2.50.0160.00437.54
7.2.40.0160.00637.54
7.2.30.0210.00037.54
7.2.20.0090.00937.54
7.2.10.0190.00037.54
7.2.00.0140.00537.54
7.1.330.0130.00537.54
7.1.320.0090.00637.54
7.1.310.0130.00437.54
7.1.300.0080.00837.54
7.1.290.0130.00637.54
7.1.280.0140.00437.54
7.1.270.0140.00337.54
7.1.260.0090.00937.54
7.1.250.0110.00737.54
7.1.240.0170.00037.54
7.1.230.0180.00037.54
7.1.220.0160.00037.54
7.1.210.0120.00437.54
7.1.200.0130.00337.54
7.1.190.0190.00037.54
7.1.180.0110.00737.54
7.1.170.0150.00337.54
7.1.160.0120.00837.54
7.1.150.0080.00837.54
7.1.140.0080.00837.54
7.1.130.0170.00037.54
7.1.120.0070.01037.54
7.1.110.0060.01137.54
7.1.100.0130.00737.54
7.1.90.0200.00037.54
7.1.80.0130.00437.54
7.1.70.0110.00637.54
7.1.60.0140.00337.54
7.1.50.0080.00837.54
7.1.40.0120.00637.54
7.1.30.0180.00037.54
7.1.20.0060.01037.54
7.1.10.0120.00637.54
7.1.00.0130.00437.54
7.0.330.0070.01037.54
7.0.320.0120.00537.54
7.0.310.0110.00637.54
7.0.300.0080.00837.54
7.0.290.0170.00037.54
7.0.280.0090.00937.54
7.0.270.0180.00037.54
7.0.260.0170.00337.54
7.0.250.0180.00037.54
7.0.240.0180.00037.54
7.0.230.0130.00437.54
7.0.220.0070.01137.54
7.0.210.0180.00437.54
7.0.200.0180.00037.54
7.0.190.0130.00337.54
7.0.180.0110.00637.54
7.0.170.0180.00037.54
7.0.160.0150.00337.54
7.0.150.0150.00337.54
7.0.140.0140.00337.54
7.0.130.0120.00537.54
7.0.120.0120.00337.54
7.0.110.0140.00337.54
7.0.100.0120.00637.54
7.0.90.0090.00637.54
7.0.80.0120.00537.54
7.0.70.0090.00937.54
7.0.60.0160.00037.54
7.0.50.0170.00037.54
7.0.40.0130.00437.54
7.0.30.0120.00637.54
7.0.20.0170.00037.54
7.0.10.0130.00437.54
7.0.00.0170.00037.54
5.6.400.0140.00337.54
5.6.390.0090.00737.54
5.6.380.0130.00437.54
5.6.370.0110.00737.54
5.6.360.0140.00337.54
5.6.350.0100.01037.54
5.6.340.0120.00637.54
5.6.330.0090.00937.54
5.6.320.0170.00337.54
5.6.310.0100.01037.54
5.6.300.0140.00637.54
5.6.290.0050.01037.54
5.6.280.0180.00037.54
5.6.270.0160.00037.54
5.6.260.0180.00037.54
5.6.250.0090.00637.54
5.6.240.0120.00437.54
5.6.230.0120.00437.54
5.6.220.0150.00037.54
5.6.210.0130.00337.54
5.6.200.0070.01137.54
5.6.190.0130.00337.54
5.6.180.0070.00737.54
5.6.170.0150.00037.54
5.6.160.0090.00637.54
5.6.150.0100.00537.54
5.6.140.0160.00037.54
5.6.130.0160.00037.54
5.6.120.0100.00537.54
5.6.110.0150.00037.54
5.6.100.0130.00337.54
5.6.90.0160.00037.54
5.6.80.0140.00337.54
5.6.70.0160.00037.54
5.6.60.0080.00837.54
5.6.50.0040.01437.54
5.6.40.0100.00737.54
5.6.30.0140.00437.54
5.6.20.0150.00337.54
5.6.10.0110.00537.54
5.6.00.0140.00037.54
5.5.380.0160.00037.54
5.5.370.0140.00037.54
5.5.360.0090.00637.54
5.5.350.0080.00837.54
5.5.340.0140.00037.54
5.5.330.0100.00737.54
5.5.320.0160.00037.54
5.5.310.0120.00337.54
5.5.300.0150.00037.54
5.5.290.0110.00437.54
5.5.280.0110.00437.54
5.5.270.0110.00437.54
5.5.260.0110.00537.54
5.5.250.0080.00637.54
5.5.240.0160.00037.54
5.5.230.0110.00437.54
5.5.220.0120.00337.54
5.5.210.0150.00337.54
5.5.200.0170.00037.54
5.5.190.0130.00037.54
5.5.180.0100.00337.54
5.5.170.0140.00337.54
5.5.160.0130.00337.54
5.5.150.0050.01037.54
5.5.140.0150.00037.54
5.5.130.0140.00037.54
5.5.120.0130.00337.54
5.5.110.0100.00737.54
5.5.100.0160.00037.54
5.5.90.0140.00237.54
5.5.80.0110.00537.54
5.5.70.0110.00337.54
5.5.60.0080.00837.54
5.5.50.0150.00037.54
5.5.40.0090.00637.54
5.5.30.0100.00537.54
5.5.20.0120.00337.54
5.5.10.0150.00037.54
5.5.00.0130.00037.54
5.4.450.0120.00037.54
5.4.440.0090.00437.54
5.4.430.0050.00537.54
5.4.420.0130.00037.54
5.4.410.0080.00837.54
5.4.400.0080.00537.54
5.4.390.0120.00037.54
5.4.380.0090.00337.54
5.4.370.0060.00637.54
5.4.360.0120.00037.54
5.4.350.0080.00437.54
5.4.340.0060.00637.54
5.4.330.0120.00037.54
5.4.320.0090.00337.54
5.4.310.0090.00337.54
5.4.300.0060.00637.54
5.4.290.0060.00637.54
5.4.280.0100.00337.54
5.4.270.0120.00037.54
5.4.260.0080.00437.54
5.4.250.0100.00237.54
5.4.240.0040.00837.54
5.4.230.0110.00037.54
5.4.220.0110.00037.54
5.4.210.0050.00837.54
5.4.200.0000.01237.54
5.4.190.0090.00337.54
5.4.180.0060.00637.54
5.4.170.0120.00037.54
5.4.160.0070.00737.54
5.4.150.0100.00337.54
5.4.140.0130.00037.54
5.4.130.0090.00537.54
5.4.120.0100.00337.54
5.4.110.0130.00337.54
5.4.100.0140.00037.54
5.4.90.0130.00337.54
5.4.80.0110.00437.54
5.4.70.0060.00637.54
5.4.60.0090.00437.54
5.4.50.0100.00337.54
5.4.40.0040.00937.54
5.4.30.0140.00037.54
5.4.20.0090.00537.54
5.4.10.0150.00337.54
5.4.00.0090.00237.54
5.3.290.0110.00337.54
5.3.280.0090.00437.54
5.3.270.0140.00037.54
5.3.260.0070.00737.54
5.3.250.0140.00037.54
5.3.240.0050.00937.54
5.3.230.0130.00037.54
5.3.220.0060.00637.54
5.3.210.0070.00737.54
5.3.200.0150.00037.54
5.3.190.0120.00437.54
5.3.180.0090.00337.54
5.3.170.0100.00337.54
5.3.160.0060.00637.54
5.3.150.0050.01037.54
5.3.140.0130.00037.54
5.3.130.0120.00337.54
5.3.120.0110.00337.54
5.3.110.0060.00937.54
5.3.100.0030.00937.54
5.3.90.0110.00437.54
5.3.80.0070.00737.54
5.3.70.0130.00037.54
5.3.60.0070.00737.54
5.3.50.0120.00437.54
5.3.40.0070.00737.54
5.3.30.0040.01137.54
5.3.20.0130.00037.54
5.3.10.0080.00537.54
5.3.00.0110.00337.54
5.2.170.0060.00637.54
5.2.160.0110.00037.54
5.2.150.0080.00437.54
5.2.140.0110.00037.54
5.2.130.0100.00237.54
5.2.120.0100.00037.54
5.2.110.0140.00037.54
5.2.100.0130.00037.54
5.2.90.0070.00437.54
5.2.80.0000.01037.54
5.2.70.0120.00037.54
5.2.60.0100.00037.54
5.2.50.0110.00037.54
5.2.40.0070.00437.54
5.2.30.0060.00637.54
5.2.20.0080.00337.54
5.2.10.0070.00437.54
5.2.00.0090.00037.54
5.1.60.0050.00537.54
5.1.50.0090.00037.54
5.1.40.0030.00637.54
5.1.30.0070.00337.54
5.1.20.0080.00037.54
5.1.10.0100.00037.54
5.1.00.0090.00037.54
5.0.50.0090.00237.54
5.0.40.0000.00837.54
5.0.30.0090.00037.54
5.0.20.0000.00837.54
5.0.10.0020.00537.54
5.0.00.0060.00237.54
4.4.90.0000.00537.54
4.4.80.0060.00037.54
4.4.70.0050.00037.54
4.4.60.0040.00037.54
4.4.50.0050.00037.54
4.4.40.0050.00037.54
4.4.30.0000.00537.54
4.4.20.0040.00037.54
4.4.10.0050.00037.54
4.4.00.0050.00037.54
4.3.110.0040.00037.54
4.3.100.0000.00537.54
4.3.90.0050.00037.54
4.3.80.0040.00037.54
4.3.70.0050.00037.54
4.3.60.0050.00037.54
4.3.50.0000.00437.54
4.3.40.0050.00037.54
4.3.30.0000.00337.54
4.3.20.0040.00037.54
4.3.10.0000.00337.54
4.3.00.0040.00037.54

preferences:
17.15 ms | 403 KiB | 5 Q