3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = '{"1":1,"b":2,"c":3,"d":4,"e":5}'; var_dump(json_decode($json)); var_dump(json_decode($json, true)); count(var_dump($json)); echo $json[1]; ?>

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)
8.3.40.0120.00618.71
8.3.30.0030.01018.84
8.3.20.0080.00020.33
8.3.10.0080.00023.71
8.3.00.0080.00022.52
8.2.170.0200.00022.96
8.2.160.0110.00422.08
8.2.150.0000.00724.18
8.2.140.0070.01124.66
8.2.130.0050.00326.16
8.2.120.0090.00017.63
8.2.110.0030.00722.09
8.2.100.0040.00817.50
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0040.00421.25
8.2.30.0080.00019.77
8.2.20.0040.00417.80
8.2.10.0080.00018.10
8.2.00.0000.00718.02
8.1.270.0030.00620.18
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.98
8.1.230.0110.00417.42
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0050.00517.22
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0040.00421.92
8.1.150.0040.00418.76
8.1.140.0000.00717.37
8.1.130.0030.00317.57
8.1.120.0040.00417.50
8.1.110.0000.00717.45
8.1.100.0000.00717.46
8.1.90.0040.00417.43
8.1.80.0070.00017.39
8.1.70.0040.00417.45
8.1.60.0000.01017.58
8.1.50.0030.00517.50
8.1.40.0080.00017.40
8.1.30.0040.00417.61
8.1.20.0000.00817.63
8.1.10.0040.00417.51
8.1.00.0030.00517.51
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0040.00418.44
8.0.270.0030.00317.19
8.0.260.0070.00017.23
8.0.250.0000.00716.91
8.0.240.0000.00616.95
8.0.230.0000.00716.90
8.0.220.0030.00316.89
8.0.210.0040.00416.91
8.0.200.0030.00316.81
8.0.190.0030.00616.94
8.0.180.0040.00417.00
8.0.170.0040.00416.87
8.0.160.0000.00716.93
8.0.150.0040.00416.88
8.0.140.0000.00716.96
8.0.130.0000.00613.34
8.0.120.0080.00016.80
8.0.110.0040.00416.92
8.0.100.0040.00416.93
8.0.90.0020.00516.91
8.0.80.0060.00916.91
8.0.70.0070.00016.84
8.0.60.0030.00517.02
8.0.50.0040.00416.75
8.0.30.0090.00717.03
8.0.20.0190.00517.40
8.0.10.0000.00716.95
8.0.00.0090.00916.71
7.4.330.0050.00015.14
7.4.320.0050.00316.46
7.4.300.0030.00316.59
7.4.290.0070.00016.51
7.4.280.0030.00516.47
7.4.270.0000.00716.55
7.4.260.0040.00416.47
7.4.250.0000.00716.57
7.4.240.0040.00316.47
7.4.230.0030.00316.71
7.4.220.0110.01416.52
7.4.210.0040.01116.46
7.4.200.0000.00716.50
7.4.160.0080.01216.75
7.4.150.0110.00717.40
7.4.140.0180.00517.86
7.4.130.0140.00416.49
7.4.120.0140.00616.50
7.4.110.0060.01116.57
7.4.100.0060.01716.57
7.4.90.0100.00716.59
7.4.80.0140.00419.39
7.4.70.0070.01016.45
7.4.60.0110.00616.57
7.4.50.0040.00416.42
7.4.40.0060.00916.23
7.4.30.0030.01716.45
7.4.10.0060.01115.19
7.4.00.0060.01214.89
7.3.330.0000.00713.16
7.3.320.0030.00313.23
7.3.310.0030.00316.33
7.3.300.0070.00016.27
7.3.290.0090.00616.22
7.3.280.0090.00916.30
7.3.270.0060.01217.40
7.3.260.0160.00816.48
7.3.250.0100.00816.31
7.3.240.0130.00516.40
7.3.230.0080.01116.39
7.3.210.0110.00716.57
7.3.200.0090.01216.28
7.3.190.0110.00616.60
7.3.180.0120.00316.29
7.3.170.0000.01716.43
7.3.160.0180.00316.43
7.3.130.0080.00514.95
7.3.120.0090.00914.86
7.3.110.0060.01214.76
7.3.100.0070.00914.95
7.3.90.0050.00814.55
7.3.80.0060.00614.86
7.3.70.0060.00814.75
7.3.60.0060.00514.75
7.3.50.0050.00814.78
7.3.40.0080.00514.80
7.3.30.0020.01314.91
7.3.20.0050.01116.65
7.3.10.0070.00816.48
7.3.00.0070.00716.52
7.2.330.0120.00916.31
7.2.320.0100.01016.39
7.2.310.0110.00716.71
7.2.300.0110.00716.52
7.2.290.0140.00316.48
7.2.260.0070.01115.14
7.2.250.0050.01314.88
7.2.240.0020.01414.99
7.2.230.0110.00515.06
7.2.220.0050.00714.88
7.2.210.0090.00515.04
7.2.200.0100.00414.96
7.2.190.0060.00814.74
7.2.180.0100.00314.86
7.2.170.0060.00614.82
7.2.160.0050.00815.09
7.2.150.0050.00816.92
7.2.140.0080.00616.78
7.2.130.0040.01117.01
7.2.120.0060.00916.89
7.2.110.0030.01016.98
7.2.100.0050.00616.87
7.2.90.0030.01016.94
7.2.80.0070.00516.94
7.2.70.0040.00916.88
7.2.60.0080.00816.93
7.2.50.0100.00516.85
7.2.40.0030.01017.02
7.2.30.0050.01016.85
7.2.20.0030.00616.81
7.2.10.0080.00316.97
7.2.00.0080.00917.81
7.1.330.0060.00915.55
7.1.320.0060.01015.73
7.1.310.0030.01015.70
7.1.300.0060.00515.76
7.1.290.0060.00615.80
7.1.280.0110.00315.90
7.1.270.0070.00515.53
7.1.260.0010.01015.75
7.1.250.0040.01115.77
7.1.240.0040.00615.87
7.1.230.0030.01215.66
7.1.220.0070.00715.83
7.1.210.0070.00515.69
7.1.200.0050.00815.81
7.1.190.0080.00915.87
7.1.180.0020.01515.77
7.1.170.0030.01215.61
7.1.160.0030.00815.62
7.1.150.0070.00715.58
7.1.140.0060.00615.60
7.1.130.0070.00715.81
7.1.120.0070.00615.83
7.1.110.0050.00615.94
7.1.100.0060.00616.47
7.1.90.0020.01015.89
7.1.80.0060.00915.69
7.1.70.0010.00816.25
7.1.60.0060.01016.89
7.1.50.0070.00516.21
7.1.40.0090.00415.72
7.1.30.0040.00715.68
7.1.20.0050.01115.65
7.1.10.0050.01215.89
7.1.00.0080.02618.05
7.0.330.0040.00815.38
7.0.320.0120.00415.42
7.0.310.0100.00315.41
7.0.300.0030.00815.46
7.0.290.0040.00715.30
7.0.280.0050.01015.30
7.0.270.0040.00515.35
7.0.260.0050.01015.36
7.0.250.0070.00215.55
7.0.240.0030.00715.40
7.0.230.0050.00715.50
7.0.220.0010.00815.45
7.0.210.0020.00815.25
7.0.200.0080.00415.88
7.0.190.0100.00315.37
7.0.180.0030.00615.40
7.0.170.0030.01015.23
7.0.160.0070.01015.22
7.0.150.0100.00315.39
7.0.140.0050.00715.37
7.0.130.0080.00315.32
7.0.120.0080.00615.32
7.0.110.0030.00915.39
7.0.100.0050.01115.30
7.0.90.0070.00615.39
7.0.80.0020.00915.40
7.0.70.0040.00715.34
7.0.60.0090.02916.69
7.0.50.0030.02216.27
7.0.40.0070.01815.71
7.0.30.0210.01715.59
7.0.20.0120.03415.76
7.0.10.0090.03015.75
7.0.00.0040.03515.66
5.6.400.0040.00814.45
5.6.390.0090.00614.18
5.6.380.0060.00814.34
5.6.370.0050.00914.44
5.6.360.0070.00414.34
5.6.350.0060.00714.19
5.6.340.0000.01214.07
5.6.330.0050.00814.07
5.6.320.0070.00514.29
5.6.310.0060.00814.43
5.6.300.0070.00614.54
5.6.290.0040.01014.43
5.6.280.0040.02316.57
5.6.270.0050.01014.23
5.6.260.0060.00814.24
5.6.250.0030.01314.47
5.6.240.0070.00414.36
5.6.230.0080.00614.39
5.6.220.0060.00914.16
5.6.210.0040.03016.43
5.6.200.0080.02815.52
5.6.190.0070.02716.43
5.6.180.0080.02216.38
5.6.170.0100.01816.40
5.6.160.0050.03016.38
5.6.150.0090.02715.69
5.6.140.0060.02915.63
5.6.130.0050.03115.72
5.6.120.0050.03316.52
5.6.110.0060.02816.58
5.6.100.0090.03016.37
5.6.90.0070.03316.37
5.6.80.0070.03216.44
5.6.70.1590.02016.30
5.6.60.0070.00514.21
5.6.50.0030.00614.31
5.6.40.0030.01214.00
5.6.30.0080.00314.04
5.6.20.0030.00814.11
5.6.10.0070.00714.21
5.6.00.0070.00614.40
5.5.380.0080.00814.38
5.5.370.0070.00514.22
5.5.360.0090.00614.16
5.5.350.0070.02916.31
5.5.340.0080.02115.40
5.5.330.0070.02916.16
5.5.320.0110.03216.49
5.5.310.0070.02216.18
5.5.300.0030.02615.59
5.5.290.0070.01515.60
5.5.280.0070.03216.27
5.5.270.0080.03116.46
5.5.260.0050.03616.29
5.5.250.0030.02116.32
5.5.240.0110.02716.21
5.5.230.0040.00914.08
5.5.220.0050.00714.07
5.5.210.0050.00513.90
5.5.200.0060.00814.15
5.5.190.0050.00514.03
5.5.180.0070.01014.09
5.5.170.0080.00514.17
5.5.160.0120.00214.13
5.5.150.0050.00814.18
5.5.140.0080.00714.35
5.5.130.0070.00614.11
5.5.120.0070.00714.19
5.5.110.0070.00714.12
5.5.100.0070.00714.06
5.5.90.0040.00914.27
5.5.80.0050.01014.13
5.5.70.0050.00914.27
5.5.60.0070.00414.10
5.5.50.0010.01014.26
5.5.40.0090.00614.01
5.5.30.0060.00614.15
5.5.20.0080.00514.11
5.5.10.0030.00714.07
5.5.00.0050.00614.17
5.4.450.0330.02714.62
5.4.440.0330.02514.68
5.4.430.0410.02314.61
5.4.420.0240.02714.63
5.4.410.0330.02814.67
5.4.400.0320.02114.62
5.4.390.0310.02514.43
5.4.380.0330.01814.63
5.4.370.0300.02014.53
5.4.360.0360.02114.63
5.4.350.0330.02214.64
5.4.340.0420.02314.65
5.4.330.0010.00612.25
5.4.320.0400.02414.56
5.4.310.0360.02614.55
5.4.300.0080.02214.62
5.4.290.0070.02114.56
5.4.280.0080.02114.53
5.4.270.0200.02514.53
5.4.260.0370.02414.43
5.4.250.0320.02114.56
5.4.240.0300.02114.55
5.4.230.0350.02314.61
5.4.220.0290.02314.52
5.4.210.0220.02314.48
5.4.200.0260.01913.79
5.4.190.0270.02014.45
5.4.180.0230.02414.53
5.4.170.0280.02014.58
5.4.160.0270.01914.48
5.4.150.0210.02614.47
5.4.140.0220.02213.63
5.4.130.0270.02613.61
5.4.120.0270.02313.71
5.4.110.0280.02213.68
5.4.100.0240.02513.65
5.4.90.0230.02213.64
5.4.80.0230.02313.66
5.4.70.0270.02413.66
5.4.60.0340.02113.63
5.4.50.0280.02013.59
5.4.40.0320.01813.61
5.4.30.0360.01813.58
5.4.20.0380.01813.57
5.4.10.0300.02813.63
5.4.00.0290.02213.44
5.3.290.0700.06014.51
5.3.280.0800.05314.47
5.3.270.0730.04714.49
5.3.260.0800.06014.44
5.3.250.0800.05714.57
5.3.240.1070.05014.48
5.3.230.0900.05714.48
5.3.220.0830.05714.52
5.3.210.0930.06014.58
5.3.200.0870.05014.36
5.3.190.0800.07314.55
5.3.180.0930.06014.44
5.3.170.0830.05014.40
5.3.160.0630.06314.44
5.3.150.0970.05014.52
5.3.140.0630.05714.65
5.3.130.0100.07014.55
5.3.120.0170.05314.57
5.3.110.0600.05014.50
5.3.100.0870.05714.05
5.3.90.0870.04713.86
5.3.80.1000.06314.11
5.3.70.0670.05714.11
5.3.60.0800.04713.85
5.3.50.0730.05713.90
5.3.40.0800.05313.90
5.3.30.0600.06313.89
5.3.20.0830.05013.66
5.3.10.0770.04713.61
5.3.00.0900.05313.43
5.2.170.0700.03311.16
5.2.160.0670.04711.19
5.2.150.0630.04311.22
5.2.140.0770.03011.00
5.2.130.0700.04711.26
5.2.120.0600.04010.99
5.2.110.0500.04311.11
5.2.100.0500.04311.04
5.2.90.0630.03711.07
5.2.80.0570.04310.93
5.2.70.0600.04310.89
5.2.60.0570.04011.03
5.2.50.0630.04310.90
5.2.40.0800.04010.93
5.2.30.0730.04310.80
5.2.20.0530.03711.00
5.2.10.0500.04010.90
5.2.00.0530.03710.62
5.1.60.0600.0339.91
5.1.50.0430.0409.91
5.1.40.0470.04710.06
5.1.30.0500.04010.43
5.1.20.0630.05010.21
5.1.10.0630.0479.98
5.1.00.0470.0409.95
5.0.50.0300.0238.52
5.0.40.0300.0338.38
5.0.30.0330.0478.38
5.0.20.0270.0208.04
5.0.10.0330.0278.21
5.0.00.0270.0508.16
4.4.90.0330.0207.80
4.4.80.0270.0207.80
4.4.70.0270.0237.80
4.4.60.0270.0237.80
4.4.50.0330.0207.80
4.4.40.0230.0377.80
4.4.30.0230.0237.80
4.4.20.0270.0237.80
4.4.10.0300.0207.80
4.4.00.0270.0337.80
4.3.110.0370.0207.80
4.3.100.0230.0237.80
4.3.90.0230.0237.80
4.3.80.0300.0377.80
4.3.70.0270.0337.80
4.3.60.0230.0237.80
4.3.50.0230.0237.80
4.3.40.0270.0307.80
4.3.30.0200.0177.80
4.3.20.0170.0177.80
4.3.10.0170.0207.80
4.3.00.0170.0207.11

preferences:
40.44 ms | 400 KiB | 5 Q