3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('NULL')); var_dump(json_last_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)
8.3.40.0140.00718.79
8.3.30.0140.00718.86
8.3.20.0040.00422.28
8.3.10.0000.00823.48
8.3.00.0030.00519.85
8.2.170.0150.00022.96
8.2.160.0120.00319.42
8.2.150.0040.01224.18
8.2.140.0050.00324.66
8.2.130.0040.00419.38
8.2.120.0060.00326.35
8.2.110.0080.00020.47
8.2.100.0000.01218.04
8.2.90.0030.00618.94
8.2.80.0000.00817.97
8.2.70.0000.00917.38
8.2.60.0030.00618.05
8.2.50.0000.00818.07
8.2.40.0040.00422.15
8.2.30.0000.00720.53
8.2.20.0000.00717.79
8.2.10.0000.00717.99
8.2.00.0000.00717.92
8.1.270.0060.00320.20
8.1.260.0060.00328.09
8.1.250.0050.00328.09
8.1.240.0090.00023.98
8.1.230.0000.01017.63
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0080.00017.35
8.1.180.0080.00018.10
8.1.170.0030.00618.54
8.1.160.0000.00720.76
8.1.150.0000.00718.72
8.1.140.0040.00419.42
8.1.130.0000.00717.57
8.1.120.0000.00717.46
8.1.110.0000.00717.29
8.1.100.0040.00417.24
8.1.90.0000.00717.25
8.1.80.0060.00317.27
8.1.70.0000.00717.21
8.1.60.0040.00417.52
8.1.50.0030.00517.51
8.1.40.0050.00317.32
8.1.30.0050.00317.49
8.1.20.0040.00417.41
8.1.10.0000.00717.50
8.1.00.0070.00017.35
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.44
8.0.270.0030.00317.21
8.0.260.0000.00817.14
8.0.250.0030.00317.00
8.0.240.0030.00316.93
8.0.230.0030.00317.06
8.0.220.0030.00616.96
8.0.210.0000.00716.92
8.0.200.0030.00316.93
8.0.190.0060.00317.01
8.0.180.0000.00716.88
8.0.170.0000.00716.99
8.0.160.0030.00317.00
8.0.150.0000.00816.86
8.0.140.0040.00416.90
8.0.130.0000.00513.30
8.0.120.0080.00016.98
8.0.110.0000.00716.91
8.0.100.0040.00416.81
8.0.90.0000.00816.84
8.0.80.0140.00316.91
8.0.70.0040.00416.99
8.0.60.0030.00516.97
8.0.50.0090.00016.80
8.0.30.0100.01017.16
8.0.20.0130.00517.40
8.0.10.0070.00017.02
8.0.00.0060.01216.71
7.4.330.0050.00016.83
7.4.320.0030.00316.51
7.4.300.0000.00616.43
7.4.290.0000.00816.55
7.4.280.0110.00016.36
7.4.270.0030.00316.43
7.4.260.0050.00316.55
7.4.250.0000.00716.28
7.4.240.0040.00316.43
7.4.230.0030.00316.62
7.4.220.0140.01016.59
7.4.210.0070.00716.46
7.4.200.0020.00516.54
7.4.160.0120.00316.52
7.4.150.0090.00917.40
7.4.140.0080.01117.86
7.4.130.0180.00216.53
7.4.120.0070.01116.48
7.4.110.0120.01216.45
7.4.100.0060.01516.29
7.4.90.0080.01716.39
7.4.80.0070.01019.39
7.4.70.0090.00616.58
7.4.60.0140.00316.36
7.4.50.0030.01216.57
7.4.40.0120.01116.39
7.4.30.0110.01116.34
7.4.00.0060.00914.84
7.3.330.0020.00413.09
7.3.320.0070.00013.04
7.3.310.0040.00416.02
7.3.300.0000.00716.23
7.3.290.0040.01116.18
7.3.280.0070.00916.18
7.3.270.0120.00617.40
7.3.260.0140.00616.34
7.3.250.0100.00716.22
7.3.240.0080.00816.15
7.3.230.0080.00916.50
7.3.210.0080.00816.39
7.3.200.0080.00816.54
7.3.190.0060.01016.41
7.3.180.0160.00016.28
7.3.170.0000.01816.27
7.3.160.0060.01616.34
7.3.10.0040.01116.41
7.3.00.0030.01016.59
7.2.330.0110.00716.21
7.2.320.0150.00416.35
7.2.310.0170.00716.61
7.2.300.0000.01616.39
7.2.290.0150.00816.49
7.2.130.0000.00916.77
7.2.120.0000.01516.81
7.2.110.0040.00816.82
7.2.100.0000.01416.82
7.2.90.0100.00716.78
7.2.80.0060.00816.41
7.2.70.0080.00816.44
7.2.60.0050.01016.64
7.2.50.0030.01216.70
7.2.40.0030.00616.93
7.2.30.0030.00716.84
7.2.20.0070.00316.64
7.2.10.0030.01016.60
7.2.00.0040.00918.04
7.1.250.0000.01315.70
7.1.240.0030.00915.72
7.1.230.0060.00315.67
7.1.220.0040.01115.63
7.1.210.0060.00615.71
7.1.200.0020.01015.47
7.1.190.0070.00315.46
7.1.180.0030.00615.63
7.1.170.0030.01015.69
7.1.160.0060.00615.50
7.1.150.0000.01515.45
7.1.140.0080.00415.59
7.1.130.0000.01015.55
7.1.120.0030.00715.57
7.1.110.0000.01015.36
7.1.100.0040.00516.78
7.1.90.0000.00815.76
7.1.80.0030.00715.48
7.1.70.0040.00716.20
7.1.60.0060.01117.42
7.1.50.0080.01016.06
7.1.40.0000.00715.80
7.1.30.0030.00715.48
7.1.20.0000.00915.54
7.1.10.0040.00815.63
7.1.00.0020.04219.00
7.0.330.0050.00515.28
7.0.320.0060.00615.43
7.0.310.0030.01015.18
7.0.300.0040.01115.23
7.0.290.0030.01015.25
7.0.280.0000.01115.04
7.0.270.0090.00315.25
7.0.260.0060.00615.30
7.0.250.0030.00715.42
7.0.240.0030.01015.27
7.0.230.0100.00015.25
7.0.220.0080.00415.35
7.0.210.0100.00015.21
7.0.200.0050.00715.89
7.0.190.0000.00815.11
7.0.180.0030.01015.35
7.0.170.0060.00615.16
7.0.160.0030.00715.27
7.0.150.0030.00915.16
7.0.140.0050.00515.03
7.0.130.0100.00015.38
7.0.120.0060.00615.13
7.0.110.0030.01515.43
7.0.100.0030.01015.13
7.0.90.0150.00015.41
7.0.80.0070.00715.22
7.0.70.0030.00715.20
7.0.60.0080.04017.61
7.0.50.0030.05016.54
7.0.40.0050.03416.71
7.0.30.0180.03016.79
7.0.20.0230.04016.65
7.0.10.0020.03016.95
7.0.00.0130.03816.60
5.6.380.0000.00914.31
5.6.370.0030.01014.21
5.6.360.0100.00614.25
5.6.350.0080.00014.24
5.6.340.0030.00713.77
5.6.330.0030.00714.41
5.6.320.0030.01014.28
5.6.310.0030.01014.12
5.6.300.0040.00714.07
5.6.290.0000.00914.24
5.6.280.0060.01717.49
5.6.270.0000.01514.36
5.6.260.0030.00714.26
5.6.250.0060.00314.08
5.6.240.0040.01114.21
5.6.230.0000.01513.97
5.6.220.0000.01214.05
5.6.210.0060.03117.35
5.6.200.0060.02616.04
5.6.190.0030.04717.17
5.6.180.1840.02917.29
5.6.170.0130.02517.20
5.6.160.0050.03917.47
5.6.150.0030.04116.23
5.6.140.0030.02316.16
5.6.130.0080.04416.13
5.6.120.0190.02417.60
5.6.110.0120.04217.65
5.6.100.0080.02217.59
5.6.90.0030.04117.42
5.6.80.0030.02517.06
5.6.70.0070.00714.12
5.6.60.0060.01313.91
5.6.50.0040.01114.27
5.6.40.0060.00314.41
5.6.30.0030.01014.27
5.6.20.0060.00614.11
5.6.10.0030.01013.98
5.6.00.0100.00014.24
5.5.380.0000.00610.66
5.5.370.0040.00711.00
5.5.360.0070.00310.64
5.5.350.0100.03715.56
5.5.340.0080.03214.63
5.5.330.0030.02815.66
5.5.320.0170.02315.50
5.5.310.0030.02915.45
5.5.300.0030.02514.30
5.5.290.0040.03214.53
5.5.280.0020.04715.96
5.5.270.0060.04215.78
5.5.260.0080.03015.97
5.5.250.0080.04115.56
5.5.240.0120.04315.25
5.5.230.0070.00010.84
5.5.220.0060.00610.87
5.5.210.0060.00610.55
5.5.200.0000.01210.85
5.5.190.0000.01210.95
5.5.180.0050.00510.64
5.5.170.0070.00410.81
5.5.160.0040.00411.09
5.5.150.0070.00011.00
5.5.140.0000.01010.41
5.5.130.0040.00810.67
5.5.120.0040.00410.63
5.5.110.0030.00510.77
5.5.100.0030.00310.88
5.5.90.0040.00410.54
5.5.80.0030.00710.94
5.5.70.0050.00210.62
5.5.60.0040.00410.80
5.5.50.0060.00610.95
5.5.40.0000.00910.93
5.5.30.0040.00410.93
5.5.20.0060.00310.81
5.5.10.0000.00610.44
5.5.00.0040.00410.86

preferences:
63.44 ms | 400 KiB | 5 Q