3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( "test" => 123, "test2" => 345, "text3" => array("awesome") ); $a = json_encode($array); $b = json_decode($a); echo "<pre>"; print_r($array); print_r($b);

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)
8.3.60.0080.00816.25
8.3.50.0120.00722.92
8.3.40.0120.00318.59
8.3.30.0080.00518.96
8.3.20.0080.00020.24
8.3.10.0050.00323.64
8.3.00.0080.00019.25
8.2.180.0040.01116.61
8.2.170.0190.00322.96
8.2.160.0030.01020.38
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0140.00426.16
8.2.120.0030.00621.10
8.2.110.0070.00320.35
8.2.100.0070.00417.84
8.2.90.0050.00317.75
8.2.80.0000.00818.63
8.2.70.0080.00017.93
8.2.60.0050.00317.63
8.2.50.0030.00617.63
8.2.40.0060.00319.47
8.2.30.0000.00817.84
8.2.20.0040.00417.52
8.2.10.0000.00818.06
8.2.00.0030.00517.59
8.1.280.0110.00325.92
8.1.270.0000.00823.96
8.1.260.0050.00226.35
8.1.250.0050.00328.09
8.1.240.0060.00322.44
8.1.230.0070.00422.72
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0000.00817.23
8.1.190.0060.00317.10
8.1.180.0030.00518.10
8.1.170.0040.00418.93
8.1.160.0040.00421.95
8.1.150.0000.00718.87
8.1.140.0040.00417.34
8.1.130.0030.00317.92
8.1.120.0070.00017.44
8.1.110.0080.00017.29
8.1.100.0000.00717.41
8.1.90.0000.00817.29
8.1.80.0050.00217.41
8.1.70.0000.00717.23
8.1.60.0050.00517.47
8.1.50.0030.00517.50
8.1.40.0000.00817.46
8.1.30.0040.00417.61
8.1.20.0050.00217.56
8.1.10.0040.00417.55
8.1.00.0030.00517.33
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0070.00018.50
8.0.270.0070.00017.34
8.0.260.0040.00417.30
8.0.250.0000.00716.86
8.0.240.0030.00816.78
8.0.230.0030.00616.85
8.0.220.0000.00716.72
8.0.210.0000.00816.81
8.0.200.0030.00316.88
8.0.190.0070.00016.87
8.0.180.0050.00316.90
8.0.170.0080.00016.82
8.0.160.0070.00016.82
8.0.150.0040.00416.77
8.0.140.0030.00516.68
8.0.130.0000.00513.25
8.0.120.0050.00316.68
8.0.110.0040.00416.84
8.0.100.0050.00216.73
8.0.90.0000.00816.80
8.0.80.0040.01216.75
8.0.70.0050.00316.88
8.0.60.0060.00316.63
8.0.50.0000.00716.70
8.0.30.0110.01517.10
8.0.20.0080.01117.40
8.0.10.0000.00716.89
8.0.00.0130.00616.68
7.4.330.0000.00615.00
7.4.320.0030.00316.43
7.4.300.0030.00316.54
7.4.290.0000.00616.34
7.4.280.0070.00016.52
7.4.270.0030.00316.44
7.4.260.0070.00016.53
7.4.250.0000.00716.47
7.4.240.0050.00216.51
7.4.230.0000.00716.43
7.4.220.0060.01216.63
7.4.210.0120.00316.59
7.4.200.0030.00516.41
7.4.160.0080.01616.42
7.4.150.0120.00617.40
7.4.140.0100.00717.86
7.4.130.0090.00916.42
7.4.120.0120.00616.47
7.4.110.0040.01316.50
7.4.100.0060.01216.51
7.4.90.0100.00616.60
7.4.80.0060.01219.39
7.4.70.0090.01216.47
7.4.60.0030.01316.30
7.4.50.0030.00316.30
7.4.40.0070.01016.37
7.4.30.0120.00416.59
7.4.00.0100.00715.00
7.3.330.0030.00312.88
7.3.320.0030.00313.05
7.3.310.0030.00416.21
7.3.300.0030.00316.13
7.3.290.0070.00716.16
7.3.280.0120.00716.16
7.3.270.0120.00617.40
7.3.260.0070.01016.28
7.3.240.0120.00616.52
7.3.230.0060.01016.39
7.3.210.0150.00416.20
7.3.200.0100.00719.39
7.3.190.0090.00916.30
7.3.180.0030.01316.21
7.3.170.0070.01416.34
7.3.160.0030.01216.43
7.3.10.0160.00016.44
7.3.00.0110.00716.45
7.2.330.0100.01416.67
7.2.320.0150.00416.39
7.2.310.0110.00516.52
7.2.300.0030.01816.71
7.2.290.0120.00416.65
7.2.130.0070.01116.77
7.2.120.0070.00716.59
7.2.110.0030.00616.70
7.2.100.0030.00716.57
7.2.90.0130.00016.45
7.2.80.0120.00016.84
7.2.70.0070.00716.74
7.2.60.0120.00316.80
7.2.50.0130.00916.76
7.2.40.0120.00616.45
7.2.30.0100.01016.87
7.2.20.0120.00616.51
7.2.10.0100.00316.74
7.2.00.0030.01016.72
7.1.250.0070.01015.63
7.1.240.0060.00615.41
7.1.230.0100.00715.56
7.1.220.0040.00815.75
7.1.210.0030.01015.77
7.1.200.0070.00915.73
7.1.190.0070.00715.55
7.1.180.0090.00615.39
7.1.170.0070.01015.71
7.1.160.0110.00715.62
7.1.150.0150.00015.51
7.1.140.0030.01015.68
7.1.130.0080.00415.80
7.1.120.0070.00715.61
7.1.110.0170.00015.77
7.1.100.0050.00916.85
7.1.90.0040.01115.63
7.1.80.0080.00715.77
7.1.70.0060.00616.35
7.1.60.0060.01517.51
7.1.50.0080.01016.17
7.1.40.0060.00615.82
7.1.30.0120.00315.64
7.1.20.0070.00715.64
7.1.10.0060.00915.77
7.1.00.0020.04519.04
7.0.330.0130.00315.02
7.0.320.0030.01015.17
7.0.310.0180.00015.08
7.0.300.0000.01215.18
7.0.290.0080.00815.32
7.0.280.0110.00314.95
7.0.270.0040.01215.34
7.0.260.0070.00715.22
7.0.250.0060.00915.27
7.0.240.0030.01015.34
7.0.230.0070.00714.88
7.0.220.0030.01015.13
7.0.210.0110.00715.38
7.0.200.0050.00515.85
7.0.190.0100.00715.18
7.0.180.0070.00714.91
7.0.170.0040.00815.23
7.0.160.0060.00615.18
7.0.150.0070.00315.24
7.0.140.0050.04018.68
7.0.130.0040.01115.09
7.0.120.0040.00415.06
7.0.110.0030.00715.11
7.0.100.0030.00615.38
7.0.90.0120.03817.57
7.0.80.0130.03717.55
7.0.70.0370.04017.62
7.0.60.0330.04017.49
7.0.50.0080.04017.74
7.0.40.0080.02616.71
7.0.30.0100.02116.77
7.0.20.0110.04216.67
7.0.10.0040.04016.57
7.0.00.0080.02216.69
5.6.380.0040.00814.47
5.6.370.0070.00713.97
5.6.360.0060.00614.36
5.6.350.0090.00613.90
5.6.340.0120.00014.52
5.6.330.0120.00014.41
5.6.320.0060.00614.52
5.6.310.0040.01214.25
5.6.300.0100.00314.00
5.6.290.0060.00914.22
5.6.280.0070.04017.58
5.6.270.0000.01714.01
5.6.260.0060.00914.48
5.6.250.0100.00714.05
5.6.240.0070.04217.34
5.6.230.0110.03817.30
5.6.220.0100.03717.24
5.6.210.0050.04717.23
5.6.200.0120.03317.62
5.6.190.0080.04317.72
5.6.180.0060.02517.54
5.6.170.0030.04517.60
5.6.160.0020.03417.41
5.6.150.0050.02717.52
5.6.140.0070.04217.58
5.6.130.0050.04617.63
5.6.120.0030.03517.45
5.6.110.0040.04117.51
5.6.100.0100.04317.55
5.6.90.0070.04517.51
5.6.80.0080.03817.26
5.6.70.0030.04817.11
5.6.60.0070.04217.24
5.6.50.0080.03217.14
5.6.40.0130.03217.13
5.6.30.0100.04317.14
5.6.20.0120.03816.95
5.6.10.0050.04517.20
5.6.00.0080.04517.20
5.5.380.0050.04015.71
5.5.370.0050.03715.72
5.5.360.0050.03615.82
5.5.350.0020.05015.78
5.5.340.0040.02915.83
5.5.330.0050.04315.87
5.5.320.0020.04315.82
5.5.310.0050.04515.83
5.5.300.0130.03715.77
5.5.290.0060.04615.76
5.5.280.0070.04515.95
5.5.270.0100.02915.81
5.5.260.0080.03015.82
5.5.250.0050.04515.71
5.5.240.0080.04215.53
5.5.230.0070.02715.61
5.5.220.0060.03615.44
5.5.210.0050.03115.56
5.5.200.0060.03415.49
5.5.190.0110.03615.34
5.5.180.0050.04315.57
5.5.170.0060.00610.74
5.5.160.0030.02815.62
5.5.150.0080.03815.72
5.5.140.0080.03315.46
5.5.130.0050.04315.57
5.5.120.0050.04415.39
5.5.110.0100.03015.66
5.5.100.0070.04015.48
5.5.90.0130.03815.44
5.5.80.0040.04115.32
5.5.70.0080.04015.52
5.5.60.0100.03515.35
5.5.50.0050.03715.48
5.5.40.0030.04015.42
5.5.30.0070.04315.41
5.5.20.0020.03015.42
5.5.10.0050.04115.31
5.5.00.0050.03815.33
5.4.450.0070.02815.34
5.4.440.0070.03715.27
5.4.430.0090.04215.09
5.4.420.0130.03515.11
5.4.410.0050.03714.99
5.4.400.0130.03115.13
5.4.390.0070.03615.11
5.4.380.0080.03915.05
5.4.370.0100.04215.06
5.4.360.0090.03515.18
5.4.350.0110.02815.02
5.4.340.0110.04114.90
5.4.330.0110.00711.03
5.4.320.0040.04415.13
5.4.310.0180.03614.98
5.4.300.0090.03915.04
5.4.290.0130.03814.93
5.4.280.0090.03115.06
5.4.270.0090.04515.05
5.4.260.0070.04315.11
5.4.250.0100.02315.06
5.4.240.0130.03715.20
5.4.230.0100.03815.10
5.4.220.0050.04415.09
5.4.210.0070.04314.93
5.4.200.0100.04215.09
5.4.190.0130.03715.10
5.4.180.0160.03414.98
5.4.170.0090.03815.11
5.4.160.0110.03915.00
5.4.150.0070.02715.08
5.4.140.0070.04213.71
5.4.130.0120.03113.47
5.4.120.0050.04013.57
5.4.110.0160.02513.75
5.4.100.0120.03713.71
5.4.90.0080.03413.56
5.4.80.0030.03413.58
5.4.70.0060.04013.63
5.4.60.0070.03713.58
5.4.50.0070.03813.68
5.4.40.0070.03813.61
5.4.30.0080.03013.57
5.4.20.0050.03713.51
5.4.10.0030.02913.54
5.4.00.0030.03813.44
5.3.290.0110.03412.70
5.3.280.0030.03012.64
5.3.270.0120.04312.51
5.3.260.0100.03212.74
5.3.250.0070.03012.70
5.3.240.0080.03412.52
5.3.230.0100.03712.58
5.3.220.0100.02712.54
5.3.210.0080.04312.54
5.3.200.0020.04212.45
5.3.190.0070.04112.59
5.3.180.0040.03412.60
5.3.170.0010.04512.70
5.3.160.0050.04112.54
5.3.150.0110.03812.51
5.3.140.0110.03812.64
5.3.130.0020.03612.37
5.3.120.0080.03712.62
5.3.110.0070.02312.50
5.3.100.0050.04012.32
5.3.90.0110.03112.27
5.3.80.0040.04012.19
5.3.70.0030.04612.00
5.3.60.0050.04112.07
5.3.50.0030.02412.24
5.3.40.0060.03712.18
5.3.30.0070.03712.20
5.3.20.0050.03712.00
5.3.10.0060.03511.90
5.3.00.0070.04012.03
5.2.170.0070.03210.45
5.2.160.0080.02710.43
5.2.150.0000.02410.46
5.2.140.0080.03210.42
5.2.130.0070.02810.43
5.2.120.0050.02010.37
5.2.110.0050.02610.42
5.2.100.0070.03010.43
5.2.90.0030.03010.43
5.2.80.0020.02210.38
5.2.70.0080.02010.43
5.2.60.0040.03610.29
5.2.50.0080.03010.28
5.2.40.0040.03410.26
5.2.30.0080.03110.36
5.2.20.0080.02310.30
5.2.10.0090.02710.22
5.2.00.0090.03010.13
5.1.60.0070.0259.81
5.1.50.0000.0329.85
5.1.40.0030.0309.81
5.1.30.0050.03010.02
5.1.20.0060.02910.01
5.1.10.0050.0309.85
5.1.00.0070.0189.86
5.0.50.0040.0189.11
5.0.40.0000.0249.03
5.0.30.0050.0308.97
5.0.20.0080.0208.96
5.0.10.0030.0238.95
5.0.00.0040.0348.96
4.4.90.0030.0208.44
4.4.80.0000.0188.44
4.4.70.0030.0188.44
4.4.60.0000.0188.44
4.4.50.0030.0168.44
4.4.40.0030.0298.44
4.4.30.0030.0188.44
4.4.20.0050.0168.44
4.4.10.0020.0198.44
4.4.00.0010.0288.44
4.3.110.0000.0158.44
4.3.100.0020.0208.44
4.3.90.0000.0188.44
4.3.80.0070.0208.44
4.3.70.0020.0148.44
4.3.60.0040.0168.44
4.3.50.0040.0198.44
4.3.40.0020.0278.44
4.3.30.0020.0198.44
4.3.20.0010.0218.44
4.3.10.0000.0178.44
4.3.00.0040.0188.44

preferences:
34.12 ms | 401 KiB | 5 Q