3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('display_errors', 'On'); error_reporting(E_ALL); try { echo 'JSON decode of null: ' . json_decode(null) . PHP_EOL; if (json_last_error() !== JSON_ERROR_NONE) { echo 'Last JSON error: ' . safe_json_last_error_msg() . PHP_EOL; } } catch (Throwable $t) { echo 'Error from JSON decode of null: ' . $t->getMessage() . PHP_EOL; } try { echo 'JSON decode of empty string: ' . json_decode('') . PHP_EOL; if (json_last_error() !== JSON_ERROR_NONE) { echo 'Last JSON error: ' . safe_json_last_error_msg() . PHP_EOL; } } catch (Throwable $t) { echo 'Error from JSON decode of empty string: ' . $t->getMessage() . PHP_EOL; } function safe_json_last_error_msg() { if (function_exists('json_last_error_msg')) { return json_last_error_msg(); } switch (json_last_error()) { case JSON_ERROR_NONE: return 'No error'; case JSON_ERROR_DEPTH: return 'Maximum stack depth exceeded'; case JSON_ERROR_STATE_MISMATCH: return 'State mismatch (invalid or malformed JSON)'; case JSON_ERROR_CTRL_CHAR: return 'Control character error, possibly incorrectly encoded'; case JSON_ERROR_SYNTAX: return 'Syntax error'; case JSON_ERROR_UTF8: return 'Malformed UTF-8 characters, possibly incorrectly encoded'; default: return 'Unknown error'; } }

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)
8.4.120.0120.00724.32
8.4.110.0120.00922.50
8.4.100.0110.00917.83
8.4.90.0040.00517.77
8.4.80.0100.00318.05
8.4.70.0070.00517.87
8.4.60.0110.01018.44
8.4.50.0130.00817.86
8.4.40.0130.00717.54
8.4.30.0110.00719.52
8.4.20.0100.01019.77
8.4.10.0100.00717.61
8.3.250.0120.00819.16
8.3.240.0110.00417.28
8.3.230.0100.01016.82
8.3.220.0080.01017.05
8.3.210.0100.00816.75
8.3.200.0080.00716.97
8.3.190.0080.00717.35
8.3.180.0140.00519.03
8.3.170.0100.00016.72
8.3.160.0000.00718.63
8.3.150.0090.00917.52
8.3.140.0060.00918.93
8.3.130.0070.00316.69
8.3.120.0070.01019.10
8.3.110.0050.00320.94
8.3.100.0110.00424.06
8.3.90.0140.00426.77
8.3.80.0060.00317.97
8.3.70.0080.00816.75
8.3.60.0110.01118.46
8.3.50.0110.00517.88
8.3.40.0040.01118.90
8.3.30.0100.00718.63
8.3.20.0030.00519.20
8.3.10.0040.00419.02
8.3.00.0080.00021.89
8.2.290.0070.00220.54
8.2.280.0130.00718.74
8.2.270.0070.00016.84
8.2.260.0040.00418.82
8.2.250.0000.00718.41
8.2.240.0040.01217.14
8.2.230.0030.00622.58
8.2.220.0070.00437.54
8.2.210.0040.00426.77
8.2.200.0060.00316.50
8.2.190.0070.00716.75
8.2.180.0140.00716.50
8.2.170.0110.00422.96
8.2.160.0070.00721.12
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0100.00019.64
8.2.120.0070.00026.35
8.2.110.0090.00022.26
8.2.100.0000.01417.84
8.2.90.0030.00620.63
8.2.80.0040.00418.61
8.2.70.0080.00017.91
8.2.60.0000.00717.93
8.2.50.0000.00818.10
8.2.40.0070.00019.35
8.2.30.0040.00419.30
8.2.20.0050.00218.05
8.2.10.0000.00817.93
8.2.00.0000.00719.49
8.1.330.0150.00316.56
8.1.320.0130.00616.19
8.1.310.0040.00416.63
8.1.300.0030.00516.09
8.1.290.0060.00330.84
8.1.280.0100.01325.92
8.1.270.0060.00322.14
8.1.260.0050.00326.35
8.1.250.0100.00028.09
8.1.240.0060.00320.40
8.1.230.0050.00517.67
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00017.39
8.1.190.0060.00317.10
8.1.180.0040.00418.10
8.1.170.0090.00018.57
8.1.160.0040.00418.88
8.1.150.0000.00718.78
8.1.140.0080.00017.56
8.1.130.0030.00319.00
8.1.120.0000.00717.38
8.1.110.0000.00817.34
8.1.100.0040.00417.45
8.1.90.0050.00317.43
8.1.80.0040.00417.36
8.1.70.0040.00417.45
8.1.60.0060.00517.54
8.1.50.0060.00317.53
8.1.40.0030.00617.56
8.1.30.0040.00417.66
8.1.20.0000.01017.57
8.1.10.0030.00617.53
8.1.00.0000.00817.35
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.35
8.0.270.0030.00317.18
8.0.260.0000.00717.29
8.0.250.0030.00416.95
8.0.240.0060.00316.84
8.0.230.0030.00316.94
8.0.220.0030.00416.89
8.0.210.0000.00716.87
8.0.200.0030.00316.85
8.0.190.0000.00716.95
8.0.180.0000.00716.90
8.0.170.0050.00516.85
8.0.160.0000.00816.90
8.0.150.0060.00616.78
8.0.140.0000.00816.77
8.0.130.0000.00613.35
8.0.120.0040.00416.76
8.0.110.0040.00416.84
8.0.100.0000.00716.77
8.0.90.0070.00016.91
8.0.80.0080.00816.85
8.0.70.0000.00816.82
8.0.60.0030.00516.73
8.0.50.0070.00016.76
8.0.30.0110.00817.08
8.0.20.0190.00017.40
8.0.10.0000.00816.82
8.0.00.0110.00616.85
7.4.330.0000.00515.55
7.4.320.0000.00616.53
7.4.300.0030.00316.58
7.4.290.0070.00016.59
7.4.280.0050.00216.48
7.4.270.0030.00316.39
7.4.260.0040.00416.56
7.4.250.0030.00316.46
7.4.240.0030.00516.47
7.4.230.0000.00816.67
7.4.220.0070.00016.68
7.4.210.0090.00716.53
7.4.200.0040.00416.40
7.4.160.0100.00816.53
7.4.140.0100.00817.86
7.4.130.0030.01316.36
7.4.120.0070.01216.51
7.4.110.0130.00316.63
7.4.100.0040.01316.50
7.4.90.0100.00716.75
7.4.80.0060.01119.39
7.4.70.0190.00316.44
7.4.60.0030.01216.34
7.4.50.0100.00016.18
7.4.40.0100.01416.54
7.4.00.0050.01214.98
7.3.330.0000.00513.14
7.3.320.0050.00013.28
7.3.310.0070.00016.31
7.3.300.0030.00316.25
7.3.290.0000.00616.22
7.3.280.0080.01016.29
7.3.260.0080.01016.43
7.3.240.0100.00916.38
7.3.230.0120.01216.48
7.3.210.0090.00616.54
7.3.200.0100.01316.20
7.3.190.0130.00316.59
7.3.180.0060.00916.55
7.3.170.0070.01016.46
7.3.160.0060.00916.48
7.3.120.0030.01014.81
7.3.110.0110.00715.02
7.3.100.0100.00315.04
7.3.90.0030.00614.77
7.3.80.0000.01115.03
7.3.70.0060.01014.80
7.3.60.0030.00914.79
7.3.50.0080.00414.68
7.3.40.0030.01014.59
7.3.30.0070.00714.68
7.3.20.0100.00316.55
7.3.10.0090.00016.68
7.3.00.0120.00316.38
7.2.330.0110.01116.83
7.2.320.0090.00916.43
7.2.310.0000.01916.76
7.2.300.0140.00916.81
7.2.290.0100.01016.54
7.2.250.0120.00315.04
7.2.240.0000.02114.79
7.2.230.0060.00914.94
7.2.220.0110.00015.29
7.2.210.0090.00615.19
7.2.200.0130.00315.05
7.2.190.0040.00815.02
7.2.180.0130.00315.03
7.2.170.0090.00615.13
7.2.60.1580.00715.24
7.2.50.1650.00914.99
7.2.40.1680.00814.88
7.2.30.1820.01115.22
7.2.20.1220.01115.08
7.2.10.1360.01015.17
7.2.00.1240.01015.17
7.1.330.0040.01115.65
7.1.320.0060.00315.92
7.1.310.0060.00615.76
7.1.300.0060.00615.71
7.1.290.0030.00915.84
7.1.280.0040.00715.56
7.1.270.0060.00915.75
7.1.260.0060.00315.77
7.1.200.0030.00915.64
7.1.170.1450.00813.88
7.1.160.1460.01016.69
7.1.150.1600.01016.39
7.1.140.1750.01416.89
7.1.130.1230.00816.65
7.1.120.1140.01216.67
7.1.110.1400.00616.02
7.1.100.1280.00915.85
7.1.90.1280.00916.11
7.1.80.2130.01116.06
7.1.70.1380.01015.09
7.1.60.1750.01633.07
7.1.50.1620.01432.92
7.1.40.1470.01532.82
7.1.30.1560.01132.64
7.1.20.2180.01732.77
7.1.10.1080.00814.77
7.1.00.1200.00714.79
7.0.300.1720.00713.48
7.0.290.1510.01216.29
7.0.270.1380.00816.56
7.0.260.2100.00816.55
7.0.250.1660.01015.97
7.0.240.1570.01016.11
7.0.230.1470.01215.73
7.0.220.1780.01116.09
7.0.210.1850.01014.77
7.0.200.1530.00714.50
7.0.190.1290.01115.01
7.0.180.1270.01014.36
7.0.170.1530.00814.34
7.0.160.1600.01214.38
7.0.150.1370.00914.39
7.0.140.1100.00514.67
7.0.130.1260.00914.57
7.0.120.1200.01114.73
7.0.110.1770.00914.32
7.0.100.1230.00714.46
7.0.90.1370.01114.40
7.0.80.1210.01314.64
7.0.70.1920.01214.45
7.0.60.1580.01114.39
7.0.50.0970.01114.70
7.0.40.1470.01014.57
7.0.30.1180.00914.82
7.0.20.1270.00614.48
7.0.10.1180.01114.63
7.0.00.1640.00814.66
5.6.300.0130.06320.61
5.6.290.0230.05220.73
5.6.280.0210.05720.96
5.6.270.0210.06920.79
5.6.260.0190.06120.88
5.6.250.0150.06020.87
5.6.240.0190.05820.88
5.6.230.0170.06220.92
5.6.220.0230.06720.71
5.6.210.0160.07720.54
5.6.200.0180.06120.73
5.6.190.0160.05820.84
5.6.180.0150.06220.77
5.6.170.0190.06220.77
5.6.160.0200.05820.79
5.6.150.0290.07720.89
5.6.140.0150.07320.95
5.6.130.0160.05720.92
5.6.120.0200.06020.76
5.6.110.0210.06220.72
5.6.100.0210.06220.75
5.6.90.0230.06220.68
5.6.80.0250.06020.31
5.6.70.0210.05820.30
5.6.60.0230.05020.27
5.6.50.0220.05020.32
5.6.40.0150.05720.24
5.6.30.0240.06920.09
5.6.20.0150.05820.18
5.6.10.0200.05520.08
5.6.00.0160.05720.03
5.5.380.0120.05917.47
5.5.370.0190.04917.50
5.5.360.0160.05817.39
5.5.350.0230.05917.46
5.5.340.0180.06118.06
5.5.330.0150.05517.95
5.5.320.0170.05317.90
5.5.310.0160.07217.70
5.5.300.0180.05218.03
5.5.290.0160.06517.80
5.5.280.0170.05618.02
5.5.270.0190.05518.05
5.5.260.0190.05517.99
5.5.250.0140.06117.61
5.5.240.0110.05817.41
5.5.230.0110.06017.49
5.5.220.0210.04617.15
5.5.210.0130.05717.18
5.5.200.0170.05417.30
5.5.190.0170.05017.38
5.5.180.0150.05717.35
5.5.160.0110.05417.38
5.5.150.0140.05117.31
5.5.140.0210.06917.11
5.5.130.0170.05317.29
5.5.120.0170.05617.14
5.5.110.0140.05417.28
5.5.100.0160.05617.03
5.5.90.0150.05217.19
5.5.80.0180.04817.29
5.5.70.0150.05317.24
5.5.60.0180.06317.28
5.5.50.0140.05117.28
5.5.40.0200.04517.32
5.5.30.0180.07717.27
5.5.20.0130.05617.01
5.5.10.0170.05216.98
5.5.00.0190.06817.19
5.4.450.0210.05319.19
5.4.440.0120.06019.32
5.4.430.0200.06719.24
5.4.420.0240.05619.46
5.4.410.0130.05319.34
5.4.400.0140.05219.02
5.4.390.0240.04419.04
5.4.380.0130.05419.10
5.4.370.0130.05918.92
5.4.360.0230.06018.86
5.4.350.0160.05018.98
5.4.340.0150.05419.05
5.4.320.0200.07319.08
5.4.310.0170.05019.04
5.4.300.0180.05318.83
5.4.290.0200.04718.86
5.4.280.0180.07519.14
5.4.270.0090.05819.10
5.4.260.0120.05619.07
5.4.250.0170.05318.94
5.4.240.0180.06719.04
5.4.230.0100.06819.04
5.4.220.0200.06618.99
5.4.210.0130.05618.97
5.4.200.0190.05019.00
5.4.190.0150.06218.91
5.4.180.0160.07619.02
5.4.170.0160.04919.00
5.4.160.0210.05218.89
5.4.150.0100.06218.80
5.4.140.0210.06316.62
5.4.130.0130.05616.61
5.4.120.0160.06116.63
5.4.110.0160.07316.57
5.4.100.0100.05316.68
5.4.90.0130.07216.48
5.4.80.0150.04816.55
5.4.70.0110.05516.68
5.4.60.0140.04816.66
5.4.50.0180.04416.63
5.4.40.0180.04916.71
5.4.30.0200.04316.49
5.4.20.0150.04816.66
5.4.10.0120.07016.41
5.4.00.0160.04715.98
5.3.290.0150.05014.73
5.3.280.0210.04414.59
5.3.270.0140.05914.67
5.3.260.0150.05414.88
5.3.250.0170.05614.83
5.3.240.0100.05814.91
5.3.230.0110.06114.67
5.3.220.0180.05514.86
5.3.210.0160.05214.84
5.3.200.0150.04814.84
5.3.190.0150.05414.79
5.3.180.0100.05414.57
5.3.170.0150.05114.62
5.3.160.0150.04814.41
5.3.150.0150.05114.84
5.3.140.0190.04814.84
5.3.130.0170.05014.75
5.3.120.0150.05114.61
5.3.110.0130.06814.55
5.3.100.0200.04514.16
5.3.90.0160.07214.02
5.3.80.0210.06414.22
5.3.70.0140.05114.31
5.3.60.0150.05414.05
5.3.50.0140.04814.16
5.3.40.0170.04814.22
5.3.30.0200.06413.96
5.3.20.0200.06113.75
5.3.10.0160.06713.52
5.3.00.0150.04713.81
5.2.170.0150.04311.14
5.2.160.0130.03911.34
5.2.150.0130.04311.21
5.2.140.0060.04711.43
5.2.130.0110.04211.29
5.2.120.0120.04010.98
5.2.110.0130.04510.99
5.2.100.0140.04311.40
5.2.90.0090.04911.38
5.2.80.0070.04511.38
5.2.70.0190.03611.09
5.2.60.0100.04511.12
5.2.50.0150.03811.08
5.2.40.0110.04111.18
5.2.30.0120.03810.98
5.2.20.0070.04610.96
5.2.10.0130.05010.98
5.2.00.0150.05010.99
5.1.60.0130.0309.99
5.1.50.0120.03210.29
5.1.40.0140.0339.88
5.1.30.0170.03010.64
5.1.20.0140.03310.41
5.1.10.0090.04510.38
5.1.00.0100.03410.39
5.0.50.0120.0258.77
5.0.40.0070.0288.38
5.0.30.0100.0398.39
5.0.20.0110.0258.30
5.0.10.0050.0308.38
5.0.00.0100.0388.38
4.4.90.0100.0277.88
4.4.80.0040.0237.88
4.4.70.0080.0297.88
4.4.60.0070.0207.88
4.4.50.0070.0197.88
4.4.40.0060.0347.88
4.4.30.0040.0237.88
4.4.20.0060.0237.88
4.4.10.0050.0217.88
4.4.00.0070.0327.88
4.3.110.0050.0237.88
4.3.100.0070.0197.88
4.3.90.0070.0197.88
4.3.80.0020.0367.88
4.3.70.0070.0197.88
4.3.60.0070.0187.88
4.3.50.0050.0227.88
4.3.40.0090.0287.88
4.3.30.0040.0227.88
4.3.20.0060.0207.88
4.3.10.0030.0237.88
4.3.00.0050.0207.88

preferences:
137.94 ms | 403 KiB | 5 Q