3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('1 ')); var_dump(json_last_error()); var_dump(json_decode('')); var_dump(json_last_error()); var_dump(json_decode('1')); var_dump(json_last_error()); var_dump(json_decode('b')); 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)
8.3.40.0170.00318.51
8.3.30.0100.00318.95
8.3.20.0020.00520.18
8.3.10.0050.00323.48
8.3.00.0040.00419.19
8.2.170.0090.00622.96
8.2.160.0110.00822.14
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00320.74
8.2.110.0060.00319.27
8.2.100.0090.00317.63
8.2.90.0040.00419.08
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0040.00717.66
8.2.50.0000.00818.07
8.2.40.0040.00419.75
8.2.30.0050.00218.14
8.2.20.0040.00417.62
8.2.10.0030.00518.05
8.2.00.0070.00017.48
8.1.270.0000.00823.88
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00322.11
8.1.230.0040.00918.96
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0090.00017.22
8.1.190.0080.00017.23
8.1.180.0060.00318.10
8.1.170.0050.00318.46
8.1.160.0030.00521.88
8.1.150.0070.00018.40
8.1.140.0000.00717.34
8.1.130.0080.00017.77
8.1.120.0050.00217.40
8.1.110.0070.00017.27
8.1.100.0070.00017.27
8.1.90.0000.00717.38
8.1.80.0080.00017.34
8.1.70.0030.00317.24
8.1.60.0000.00817.42
8.1.50.0040.00417.41
8.1.40.0000.00717.48
8.1.30.0090.00017.48
8.1.20.0040.00417.56
8.1.10.0000.00717.39
8.1.00.0030.00517.17
8.0.300.0050.00218.77
8.0.290.0070.00016.80
8.0.280.0080.00018.32
8.0.270.0070.00017.08
8.0.260.0030.00317.07
8.0.250.0050.00316.89
8.0.240.0060.00316.83
8.0.230.0030.00316.75
8.0.220.0030.00316.80
8.0.210.0030.00316.80
8.0.200.0000.00716.86
8.0.190.0000.00816.90
8.0.180.0050.00316.80
8.0.170.0000.00716.80
8.0.160.0050.00316.68
8.0.150.0030.00316.63
8.0.140.0070.00016.70
8.0.130.0030.00313.27
8.0.120.0030.00516.74
8.0.110.0020.00516.62
8.0.100.0030.00516.68
8.0.90.0000.00716.81
8.0.80.0070.01116.83
8.0.70.0040.00416.84
8.0.60.0050.00316.79
8.0.50.0040.00416.75
8.0.30.0070.01116.88
8.0.20.0090.01117.40
8.0.10.0070.00016.82
8.0.00.0120.00916.54
7.4.330.0040.00415.00
7.4.320.0030.00316.46
7.4.300.0060.00016.49
7.4.290.0030.00316.24
7.4.280.0000.00716.39
7.4.270.0030.00316.48
7.4.260.0030.00316.48
7.4.250.0070.00016.49
7.4.240.0000.00716.52
7.4.230.0030.00316.20
7.4.220.0130.00616.52
7.4.210.0040.01216.46
7.4.200.0000.00716.58
7.4.190.0040.00416.37
7.4.160.0130.00316.53
7.4.150.0100.00717.40
7.4.140.0050.01417.86
7.4.130.0110.00516.25
7.4.120.0100.00716.44
7.4.110.0030.01416.48
7.4.100.0060.01216.43
7.4.90.0120.00616.12
7.4.80.0070.01319.39
7.4.70.0120.00316.30
7.4.60.0130.00316.26
7.4.50.0030.00516.27
7.4.40.0150.00616.26
7.4.30.0060.00916.44
7.4.00.0070.01114.88
7.3.330.0030.00312.91
7.3.320.0000.00513.08
7.3.310.0030.00316.23
7.3.300.0000.00616.18
7.3.290.0100.01016.14
7.3.280.0110.00716.17
7.3.270.0150.00317.40
7.3.260.0110.00516.25
7.3.250.0090.00816.28
7.3.240.0120.00616.04
7.3.230.0130.01016.39
7.3.210.0090.00916.44
7.3.200.0130.01019.39
7.3.190.0130.01016.30
7.3.180.0040.01216.48
7.3.170.0070.00716.27
7.3.160.0140.00916.17
7.3.120.0070.01014.66
7.3.00.0100.00316.14
7.2.330.0140.00316.51
7.2.320.0080.01316.44
7.2.310.0100.01016.30
7.2.300.0190.00416.49
7.2.290.0110.00516.13
7.2.130.0070.00716.77
7.2.120.0000.00916.59
7.2.110.0080.00616.61
7.2.100.0100.00016.79
7.2.90.0120.00616.73
7.2.80.0040.01216.91
7.2.70.0030.01216.69
7.2.60.0090.01216.66
7.2.50.0070.00716.67
7.2.40.0030.00916.48
7.2.30.0070.00716.60
7.2.20.0090.00316.77
7.2.10.0070.00416.43
7.2.00.0080.00416.71
7.1.250.0030.00715.73
7.1.240.0060.00615.60
7.1.230.0070.00715.61
7.1.220.0000.00915.65
7.1.210.0070.01015.53
7.1.200.0070.00115.65
7.1.190.0030.01015.56
7.1.180.0080.00415.73
7.1.170.0040.00715.75
7.1.160.0080.00415.69
7.1.150.0000.01215.39
7.1.140.0030.01015.82
7.1.130.0120.00015.58
7.1.120.0080.00315.43
7.1.110.0060.00615.73
7.1.100.0060.00416.87
7.1.90.0000.01115.69
7.1.80.0130.00015.50
7.1.70.0070.00816.39
7.1.60.0030.00916.39
7.1.50.0070.00716.06
7.1.40.0060.00716.07
7.1.30.0080.00815.89
7.1.20.0020.01216.02
7.1.10.0020.00616.20
7.1.00.0020.00716.16
7.0.330.0000.01015.46
7.0.320.0060.00615.21
7.0.310.0040.00415.45
7.0.300.0030.01015.02
7.0.290.0060.00614.98
7.0.280.0030.01015.44
7.0.270.0030.01015.34
7.0.260.0000.01014.99
7.0.250.0000.01014.98
7.0.240.0040.01215.38
7.0.230.0040.00815.14
7.0.220.0120.00315.55
7.0.210.0030.00515.21
7.0.200.0020.00715.92
7.0.190.0030.00615.93
7.0.180.0020.00615.58
7.0.170.0050.00715.80
7.0.160.0040.00615.65
7.0.150.0030.00615.66
7.0.140.0040.00715.66
7.0.130.0050.00915.68
7.0.120.0060.00515.70
7.0.110.0030.00615.83
7.0.100.0010.00815.88
7.0.90.0020.01015.56
7.0.80.0020.00715.72
7.0.70.0020.00715.71
7.0.60.0040.00615.73
7.0.50.0040.00415.79
7.0.40.0040.00714.35
7.0.30.0040.00814.34
7.0.20.0050.00814.20
7.0.10.0050.00714.33
7.0.00.0050.00514.36
5.6.380.0060.00914.08
5.6.370.0050.00513.90
5.6.360.0100.00314.29
5.6.350.0070.00714.32
5.6.340.0060.00614.31
5.6.330.0000.01014.32
5.6.320.0030.01014.13
5.6.310.0060.00613.95
5.6.300.0030.02717.46
5.6.290.0050.02517.62
5.6.280.0020.03317.49
5.6.270.0070.02217.46
5.6.260.0020.02617.40
5.6.250.0030.02617.42
5.6.240.0100.02817.55
5.6.230.0020.02917.42
5.6.220.0050.02417.54
5.6.210.0030.02717.68
5.6.200.0030.02817.35
5.6.190.0050.04717.56
5.6.180.0070.02817.53
5.6.170.0030.02717.45
5.6.160.0050.02817.60
5.6.150.0070.03317.46
5.6.140.0020.03417.49
5.6.130.0080.03117.59
5.6.120.0030.02717.66
5.6.110.0080.03217.27
5.6.100.0050.02317.57
5.6.90.0110.01917.47
5.6.80.0080.02117.15
5.6.70.0050.02317.05
5.6.60.0060.02316.99
5.6.50.0090.02217.20
5.6.40.0030.02817.21
5.6.30.0070.02217.09
5.6.20.0100.02317.07
5.6.10.0100.02617.20
5.6.00.0140.02717.16
5.5.380.0050.02214.03
5.5.370.0050.01914.06
5.5.360.0060.02114.18
5.5.350.0050.01914.12
5.5.340.0000.02614.33
5.5.330.0020.03214.60
5.5.320.0030.02414.42
5.5.310.0000.02514.35
5.5.300.0020.03214.26
5.5.290.0030.02214.35
5.5.280.0050.02214.35
5.5.270.0060.02014.38
5.5.260.0040.03414.47
5.5.250.0070.02014.36
5.5.240.0030.02314.02
5.5.230.0020.02814.08
5.5.220.0070.02014.16
5.5.210.0080.02413.99
5.5.200.0020.02214.07
5.5.190.0090.02113.71
5.5.180.0040.02014.03
5.5.170.0030.00610.95
5.5.160.0030.02314.14
5.5.150.0020.02414.13
5.5.140.0050.02313.94
5.5.130.0030.02513.99
5.5.120.0040.02213.96
5.5.110.0020.02414.19
5.5.100.0070.01913.96
5.5.90.0030.03213.98
5.5.80.0080.02913.92
5.5.70.0060.02513.99
5.5.60.0070.01913.88
5.5.50.0070.03014.01
5.5.40.0030.02413.96
5.5.30.0020.02814.06
5.5.20.0060.02114.01
5.5.10.0050.02114.01
5.5.00.0070.02414.05
5.4.450.0010.02715.08
5.4.440.0050.02215.00
5.4.430.0030.02314.91
5.4.420.0040.02414.96
5.4.410.0030.02314.86
5.4.400.0000.02514.85
5.4.390.0060.02014.92
5.4.380.0020.02214.76
5.4.370.0020.02714.84
5.4.360.0060.02014.95
5.4.350.0030.02314.78
5.4.340.0030.02314.73
5.4.330.0040.00710.77
5.4.320.0030.04114.89
5.4.310.0030.04114.98
5.4.300.0050.02215.01
5.4.290.0100.02214.90
5.4.280.0070.01714.89
5.4.270.0050.01914.88
5.4.260.0010.02314.81
5.4.250.0030.02514.93
5.4.240.0060.02014.85
5.4.230.0070.02614.91
5.4.220.0070.02114.90
5.4.210.0000.02615.04
5.4.200.0060.02114.88
5.4.190.0050.02414.82
5.4.180.0000.02614.97
5.4.170.0020.03214.77
5.4.160.0050.02314.97
5.4.150.0170.01714.64
5.4.140.0040.02313.66
5.4.130.0030.02213.65
5.4.120.0030.02113.63
5.4.110.0050.01913.61
5.4.100.0040.02413.64
5.4.90.0030.02313.69
5.4.80.0030.02113.65
5.4.70.0030.02213.50
5.4.60.0040.04413.71
5.4.50.0030.02013.47
5.4.40.0030.02213.58
5.4.30.0070.03513.57
5.4.20.0050.02113.68
5.4.10.0050.01913.45
5.4.00.0050.02013.27
5.3.290.0020.03512.88
5.3.280.0030.02512.75
5.3.270.0030.03412.81
5.3.260.0070.02112.80
5.3.250.0030.02012.79
5.3.240.0080.02012.72
5.3.230.0020.02412.82
5.3.220.0030.01912.72
5.3.210.0050.02612.84
5.3.200.0000.02712.75
5.3.190.0020.02312.69
5.3.180.0050.02012.89
5.3.170.0030.02012.81
5.3.160.0020.02612.87
5.3.150.0020.03712.87
5.3.140.0050.02512.83
5.3.130.0050.02812.84
5.3.120.0070.01812.89
5.3.110.0020.02312.85
5.3.100.0060.02012.82
5.3.90.0030.01912.80
5.3.80.0030.03612.62
5.3.70.0030.02012.74
5.3.60.0010.02512.83
5.3.50.0090.02912.74
5.3.40.0050.02212.74
5.3.30.0100.02012.78
5.3.20.0050.02112.83
5.3.10.0020.02412.68
5.3.00.0050.01912.67
5.2.170.0070.02512.38
5.2.160.0030.01812.36
5.2.150.0040.01812.36
5.2.140.0030.01912.40
5.2.130.0030.01512.36
5.2.120.0020.01712.36
5.2.110.0050.01712.36
5.2.100.0050.01812.36
5.2.90.0040.01812.36
5.2.80.0050.01412.36
5.2.70.0080.02512.36
5.2.60.0000.01912.36
5.2.50.0020.02012.36
5.2.40.0020.01812.38
5.2.30.0000.02012.36
5.2.20.0020.01812.36
5.2.10.0040.01512.36
5.2.00.0030.01512.36
5.1.60.0000.01812.36
5.1.50.0020.01412.36
5.1.40.0030.01212.36
5.1.30.0040.01212.36
5.1.20.0020.01912.36
5.1.10.0020.01712.36
5.1.00.0080.01312.36
5.0.50.0040.01012.36
5.0.40.0000.01512.36
5.0.30.0100.01212.36
5.0.20.0030.01212.36
5.0.10.0070.00812.36
5.0.00.0010.01812.36
4.4.90.0020.00912.36
4.4.80.0040.00812.36
4.4.70.0000.01012.36
4.4.60.0020.00912.36
4.4.50.0000.01112.36
4.4.40.0030.01212.36
4.4.30.0020.00912.36
4.4.20.0020.00912.36
4.4.10.0000.01212.36
4.4.00.0000.01612.36
4.3.110.0020.01012.36
4.3.100.0000.01312.36
4.3.90.0020.01012.36
4.3.80.0030.01312.36
4.3.70.0030.00812.36
4.3.60.0030.00812.36
4.3.50.0030.00912.36
4.3.40.0090.00712.36
4.3.30.0000.01012.36
4.3.20.0030.01112.36
4.3.10.0030.01012.36
4.3.00.0040.00712.36

preferences:
44.87 ms | 400 KiB | 5 Q