3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(array( 'JSON_ERROR_NONE' => JSON_ERROR_NONE, 'JSON_ERROR_DEPTH' => JSON_ERROR_DEPTH, 'JSON_ERROR_STATE_MISMATCH' => JSON_ERROR_STATE_MISMATCH, 'JSON_ERROR_CTRL_CHAR' => JSON_ERROR_CTRL_CHAR, 'JSON_ERROR_SYNTAX' => JSON_ERROR_SYNTAX, 'JSON_ERROR_UTF8' => JSON_ERROR_UTF8, 'JSON_ERROR_RECURSION' => JSON_ERROR_RECURSION, 'JSON_ERROR_INF_OR_NAN' => JSON_ERROR_INF_OR_NAN, 'JSON_ERROR_UNSUPPORTED_TYPE' => JSON_ERROR_UNSUPPORTED_TYPE )); echo json_encode('"test":""');

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)
8.3.60.0040.01516.36
8.3.50.0140.00621.05
8.3.40.0190.00318.71
8.3.30.0140.00018.93
8.3.20.0050.00320.16
8.3.10.0050.00221.87
8.3.00.0040.00417.50
8.2.180.0110.01118.00
8.2.170.0100.01022.96
8.2.160.0100.00320.52
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.99
8.2.110.0040.00420.34
8.2.100.0030.00917.54
8.2.90.0050.00319.05
8.2.80.0050.00317.97
8.2.70.0000.00917.50
8.2.60.0040.00417.90
8.2.50.0040.00418.07
8.2.40.0040.00418.09
8.2.30.0050.00217.90
8.2.20.0070.00317.60
8.2.10.0070.00018.02
8.2.00.0000.00718.17
8.1.280.0170.00325.92
8.1.270.0120.00620.29
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0100.00022.19
8.1.230.0070.00420.62
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0030.00617.09
8.1.190.0050.00317.27
8.1.180.0050.00518.88
8.1.170.0040.00418.50
8.1.160.0000.00718.80
8.1.150.0030.00518.75
8.1.140.0040.00417.32
8.1.130.0000.00717.67
8.1.120.0040.00417.25
8.1.110.0000.00717.31
8.1.100.0030.00417.20
8.1.90.0000.00817.33
8.1.80.0040.00417.21
8.1.70.0070.00017.33
8.1.60.0070.00417.38
8.1.50.0070.00017.43
8.1.40.0040.00417.42
8.1.30.0040.00417.39
8.1.20.0040.00417.44
8.1.10.0040.00417.28
8.1.00.0030.00617.26
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0000.00717.11
8.0.260.0030.00317.25
8.0.250.0030.00316.91
8.0.240.0000.00716.79
8.0.230.0000.00816.84
8.0.220.0070.00016.77
8.0.210.0050.00316.77
8.0.200.0030.00316.86
8.0.190.0080.00016.83
8.0.180.0000.00716.74
8.0.170.0030.00616.71
8.0.160.0040.00416.68
8.0.150.0040.00416.72
8.0.140.0040.00316.65
8.0.130.0000.00613.18
8.0.120.0080.00016.74
8.0.110.0070.00016.82
8.0.100.0040.00416.82
8.0.90.0040.00416.69
8.0.80.0060.01016.83
8.0.70.0080.00016.88
8.0.60.0000.00716.59
8.0.50.0040.00416.79
8.0.30.0150.00916.98
8.0.20.0140.00517.40
8.0.10.0040.00416.77
8.0.00.0060.01216.66
7.4.330.0000.00515.03
7.4.320.0030.00316.48
7.4.300.0070.00016.30
7.4.290.0070.00016.47
7.4.280.0000.00716.46
7.4.270.0040.00416.47
7.4.260.0000.00716.34
7.4.250.0030.00316.47
7.4.240.0040.00416.34
7.4.230.0040.00416.46
7.4.220.0070.01116.28
7.4.210.0070.00716.46
7.4.200.0000.00716.25
7.4.160.0100.01316.58
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0090.00816.49
7.4.120.0080.00916.31
7.4.110.0130.01016.27
7.4.100.0120.00816.24
7.4.90.0150.00416.52
7.4.80.0080.00819.39
7.4.70.0080.00816.39
7.4.60.0090.00616.52
7.4.50.0040.00416.48
7.4.40.0060.01316.55
7.4.30.0120.00916.43
7.4.00.0040.01114.57
7.3.330.0000.00613.00
7.3.320.0030.00312.86
7.3.310.0000.00815.94
7.3.300.0000.00716.12
7.3.290.0000.00716.18
7.3.280.0100.00616.14
7.3.270.0110.00617.40
7.3.260.0090.00916.34
7.3.250.0090.01016.29
7.3.240.0130.00316.12
7.3.230.0030.01416.43
7.3.210.0140.00416.30
7.3.200.0190.00016.57
7.3.190.0100.00616.32
7.3.180.0130.00316.32
7.3.170.0150.00316.27
7.3.160.0180.00316.43
7.2.330.0150.00616.51
7.2.320.0130.00516.39
7.2.310.0130.00316.29
7.2.300.0050.01116.48
7.2.290.0120.01316.16
7.2.60.0070.00716.82
7.2.00.0060.00619.17
7.1.200.0030.00915.68
7.1.100.0040.00817.66
7.1.70.0000.00817.07
7.1.60.0140.01119.50
7.1.50.0070.01616.69
7.1.00.0030.07722.57
7.0.200.0030.00516.73
7.0.90.0600.08719.91
7.0.80.0500.05019.87
7.0.70.0470.04019.91
7.0.60.0300.04019.96
7.0.50.0470.04320.34
7.0.40.0030.07020.09
7.0.30.0000.04720.00
7.0.20.0000.04320.14
7.0.10.0030.05020.11
7.0.00.0030.08020.02
5.6.280.0030.07021.01
5.6.240.0100.08020.50
5.6.230.0170.05720.65
5.6.220.0030.04320.65
5.6.210.0070.04720.57
5.6.200.0100.04021.03
5.6.190.0030.04021.09
5.6.180.0070.06320.94
5.6.170.0070.04021.07
5.6.160.0030.03721.13
5.6.150.0030.03721.04
5.6.140.0170.07021.10
5.6.130.0030.06721.16
5.6.120.0030.03721.05
5.6.110.0100.03021.08
5.6.100.0070.06020.98
5.6.90.0100.03720.99
5.6.80.0070.03720.55
5.6.70.0070.03720.48
5.6.60.0070.03720.47
5.6.50.0030.08320.33
5.6.40.0030.05320.28
5.6.30.0100.07720.44
5.6.20.0030.04020.37
5.6.10.0000.04320.41
5.6.00.0030.04020.27
5.5.380.0070.07320.43
5.5.370.0170.05720.50
5.5.360.0100.03720.49
5.5.350.0030.05020.36
5.5.340.0100.03720.85
5.5.330.0070.06020.91
5.5.320.0100.06720.80
5.5.310.0070.03720.79
5.5.300.0030.04320.82
5.5.290.0070.05020.72
5.5.280.0130.07320.82
5.5.270.0000.04720.85
5.5.260.0000.04720.77
5.5.250.0100.03020.45
5.5.240.0170.02720.15
5.5.230.0100.03720.13
5.5.220.0100.06020.11
5.5.210.0030.07320.16
5.5.200.0070.07320.14
5.5.190.0030.07320.15
5.5.180.0030.04019.98
5.5.160.0100.07319.98
5.5.150.0030.05020.22
5.5.140.0030.07720.26
5.5.130.0000.08020.25
5.5.120.0170.06320.23
5.5.110.0130.06320.09
5.5.100.0030.08720.01
5.5.90.0030.07720.14
5.5.80.0000.05020.12
5.5.70.0070.05020.14
5.5.60.0030.06320.09
5.5.50.0130.07320.05
5.5.40.0070.05020.02
5.5.30.0070.08020.12
5.5.20.0130.07020.05
5.5.10.0070.08020.02
5.5.00.0170.07320.07
5.4.450.0100.03319.27
5.4.440.0030.05719.37
5.4.430.0030.05319.28
5.4.420.0030.04019.28
5.4.410.0030.03719.31
5.4.400.0070.04019.13
5.4.390.0070.03319.10
5.4.380.0030.05719.03
5.4.370.0100.06719.23
5.4.360.0000.03719.04
5.4.350.0070.04719.07
5.4.340.0000.07719.14
5.4.320.0070.07318.78
5.4.310.0100.05718.90
5.4.300.0030.07719.05
5.4.290.0070.07718.94
5.4.280.0130.05319.03
5.4.270.0130.07319.02
5.4.260.0130.07319.12
5.4.250.0130.06718.98
5.4.240.0070.05018.82
5.4.230.0100.05019.11
5.4.220.0070.04019.13
5.4.210.0170.06019.14
5.4.200.0170.06319.00
5.4.190.0130.06319.22
5.4.180.0100.07019.02
5.4.170.0070.07718.77
5.4.160.0070.06719.09
5.4.150.0100.08018.88
5.4.140.0130.07016.32
5.4.130.0100.06016.34
5.4.120.0000.05716.22
5.4.110.0070.06316.21
5.4.100.0070.07716.34
5.4.90.0030.07716.38
5.4.80.0000.07716.29
5.4.70.0100.05016.43
5.4.60.0030.07316.39
5.4.50.0130.05716.18
5.4.40.0030.04716.26
5.4.30.0070.07016.27
5.4.20.0070.06316.39
5.4.10.0100.05716.27
5.4.00.0070.07315.66
5.3.290.0100.05014.65
5.3.280.0100.07314.57
5.3.270.0170.07314.47
5.3.260.0070.07714.60
5.3.250.0200.04714.58
5.3.240.0100.07014.44
5.3.230.0070.06714.57
5.3.220.0000.08714.55
5.3.210.0100.07714.53
5.3.200.0170.06314.53
5.3.190.0070.07714.50
5.3.180.0030.06014.50
5.3.170.0030.06014.53
5.3.160.0030.05314.42
5.3.150.0200.03314.56
5.3.140.0070.07714.41
5.3.130.0030.06014.53
5.3.120.0130.05714.52
5.3.110.0100.07014.55
5.3.100.0070.05013.98
5.3.90.0070.07313.99
5.3.80.0030.07313.97
5.3.70.0070.07713.77
5.3.60.0070.07013.98
5.3.50.0070.07013.85
5.3.40.0030.07313.93
5.3.30.0030.04313.87
5.3.20.0100.07013.68
5.3.10.0070.07013.42
5.3.00.0030.06713.49
5.2.170.0000.06311.18
5.2.160.0100.05711.10
5.2.150.0170.04710.93
5.2.140.0100.03710.97
5.2.130.0100.05711.09
5.2.120.0030.06311.08
5.2.110.0070.05711.14
5.2.100.0130.03311.10
5.2.90.0070.05710.95
5.2.80.0000.04711.13
5.2.70.0070.06011.16
5.2.60.0070.06010.84
5.2.50.0070.05711.07
5.2.40.0000.06310.83
5.2.30.0070.05310.97
5.2.20.0070.06010.95
5.2.10.0070.05010.93
5.2.00.0170.04310.73
5.1.60.0130.0479.98
5.1.50.0130.0479.98
5.1.40.0100.0509.98
5.1.30.0030.05710.23
5.1.20.0030.05310.26
5.1.10.0070.04310.13
5.1.00.0070.0539.90
5.0.50.0000.0408.38
5.0.40.0070.0208.40
5.0.30.0070.0678.20
5.0.20.0070.0408.03
5.0.10.0000.0438.25
5.0.00.0000.0607.99
4.4.90.0070.0337.44
4.4.80.0000.0377.44
4.4.70.0000.0377.44
4.4.60.0070.0337.44
4.4.50.0000.0407.44
4.4.40.0000.0407.44
4.4.30.0070.0337.44
4.4.20.0000.0377.44
4.4.10.0070.0337.44
4.4.00.0070.0437.44
4.3.110.0000.0377.44
4.3.100.0030.0337.44
4.3.90.0000.0337.44
4.3.80.0000.0577.44
4.3.70.0000.0237.44
4.3.60.0030.0337.44
4.3.50.0030.0307.44
4.3.40.0000.0507.44
4.3.30.0030.0337.44
4.3.20.0000.0337.44
4.3.10.0030.0237.44
4.3.00.0000.0307.44

preferences:
61.45 ms | 401 KiB | 5 Q