3v4l.org

run code in 300+ PHP versions simultaneously
<?php $object = new stdClass(); $object->foo = 'bar'; $object->baz = "qux'qux"; $object->bar = [21, 42]; $json = json_encode($object); echo "var jsonString = ", json_encode($json), ';';

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)
8.3.60.0170.00018.55
8.3.50.0120.00722.10
8.3.40.0120.00318.97
8.3.30.0130.00319.08
8.3.20.0040.00420.37
8.3.10.0040.00421.73
8.3.00.0000.00819.25
8.2.180.0070.00716.60
8.2.170.0040.01118.77
8.2.160.0070.00722.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00519.36
8.2.110.0090.00019.16
8.2.100.0040.00817.66
8.2.90.0060.00318.22
8.2.80.0080.00018.03
8.2.70.0000.00917.63
8.2.60.0060.00317.34
8.2.50.0030.00517.63
8.2.40.0060.00319.20
8.2.30.0040.00417.61
8.2.20.0040.00417.72
8.2.10.0030.00617.88
8.2.00.0040.00417.69
8.1.280.0130.00725.92
8.1.270.0040.00418.86
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.01023.90
8.1.230.0000.01121.03
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0050.00317.35
8.1.180.0030.00618.10
8.1.170.0040.00418.96
8.1.160.0060.00318.79
8.1.150.0040.00418.83
8.1.140.0040.00417.38
8.1.130.0070.00017.95
8.1.120.0070.00017.40
8.1.110.0040.00417.35
8.1.100.0030.00317.36
8.1.90.0070.00017.29
8.1.80.0040.00417.39
8.1.70.0050.00217.44
8.1.60.0040.00417.50
8.1.50.0000.00817.46
8.1.40.0000.00817.34
8.1.30.0040.00417.63
8.1.20.0000.00717.64
8.1.10.0000.00817.57
8.1.00.0090.00417.52
8.0.300.0030.00620.03
8.0.290.0000.00716.75
8.0.280.0000.00717.98
8.0.270.0000.00717.88
8.0.260.0030.00317.26
8.0.250.0000.00616.92
8.0.240.0070.00016.98
8.0.230.0030.00316.86
8.0.220.0040.00416.81
8.0.210.0000.00716.87
8.0.200.0070.00016.88
8.0.190.0070.00016.78
8.0.180.0000.00716.83
8.0.170.0050.00316.87
8.0.160.0000.00816.68
8.0.150.0040.00416.87
8.0.140.0030.00516.65
8.0.130.0000.00713.26
8.0.120.0040.00416.83
8.0.110.0000.00716.88
8.0.100.0040.00416.77
8.0.90.0050.00316.87
8.0.80.0130.01016.88
8.0.70.0000.00716.81
8.0.60.0030.00516.71
8.0.50.0040.00416.86
8.0.30.0150.01017.09
8.0.20.0090.01017.40
8.0.10.0040.00416.98
8.0.00.0070.01116.68
7.4.330.0030.00415.03
7.4.320.0070.00016.39
7.4.300.0030.00316.45
7.4.290.0030.00316.54
7.4.280.0070.00016.52
7.4.270.0030.00316.52
7.4.260.0070.00016.48
7.4.250.0040.00416.41
7.4.240.0020.00516.55
7.4.230.0050.00316.31
7.4.220.0180.00016.54
7.4.210.0040.01216.52
7.4.200.0080.00016.26
7.4.160.0040.01316.39
7.4.150.0060.01217.40
7.4.140.0100.01117.86
7.4.130.0100.00716.39
7.4.120.0100.00716.38
7.4.110.0100.00716.46
7.4.100.0100.00716.63
7.4.90.0120.00916.39
7.4.80.0100.00719.39
7.4.70.0110.00716.40
7.4.60.0110.00516.27
7.4.50.0000.00416.33
7.4.40.0120.00616.37
7.4.30.0100.00616.50
7.4.10.0060.01114.86
7.4.00.0060.00914.83
7.3.330.0000.00613.11
7.3.320.0100.00613.14
7.3.310.0060.00016.03
7.3.300.0000.00716.20
7.3.290.0100.00616.25
7.3.280.0060.01116.20
7.3.270.0190.00417.40
7.3.260.0100.00716.41
7.3.250.0130.01016.39
7.3.240.0120.00916.31
7.3.230.0150.00916.40
7.3.210.0070.01016.25
7.3.200.0110.01019.39
7.3.190.0070.01016.38
7.3.180.0060.01316.35
7.3.170.0070.01016.29
7.3.160.0120.00316.51
7.3.130.0090.00914.88
7.3.120.0050.01314.85
7.3.110.0100.00714.86
7.3.100.0110.00314.78
7.3.90.0060.01014.70
7.3.80.0080.01014.71
7.3.70.0080.00414.61
7.3.60.0050.01014.83
7.3.50.0060.00914.66
7.3.40.0040.00814.68
7.3.30.0020.01014.64
7.3.20.0050.00716.62
7.3.10.0110.00416.57
7.3.00.0090.00316.52
7.2.330.0120.01116.67
7.2.320.0000.01616.42
7.2.310.0060.01016.55
7.2.300.0130.00616.45
7.2.290.0090.00616.80
7.2.260.0090.00914.97
7.2.250.0090.00914.99
7.2.240.0070.00915.03
7.2.230.0110.00514.91
7.2.220.0000.01414.76
7.2.210.0060.00614.93
7.2.200.0040.01014.96
7.2.190.0050.01014.98
7.2.180.0050.01114.87
7.2.170.0050.00914.72
7.2.160.0070.01014.88
7.2.150.0070.00716.95
7.2.140.0030.01316.70
7.2.130.0060.00316.73
7.2.120.0070.01016.76
7.2.110.0000.01216.45
7.2.100.0040.01116.97
7.2.90.0100.00716.87
7.2.80.0000.01216.90
7.2.70.0000.01216.75
7.2.60.0070.01016.67
7.2.50.0100.00716.81
7.2.40.0040.01116.84
7.2.30.0030.00616.64
7.2.20.0090.00617.00
7.2.10.0070.01116.69
7.2.00.0020.01318.04
7.1.330.0080.00715.67
7.1.320.0090.00515.86
7.1.310.0020.01015.59
7.1.300.0050.00815.45
7.1.290.0070.00715.73
7.1.280.0050.00915.74
7.1.270.0060.00715.54
7.1.260.0060.00715.49
7.1.250.0030.00615.43
7.1.240.0040.01115.64
7.1.230.0000.01315.53
7.1.220.0100.00315.44
7.1.210.0090.00615.73
7.1.200.0030.01015.66
7.1.190.0000.01415.77
7.1.180.0040.00815.52
7.1.170.0100.00615.68
7.1.160.0000.01415.79
7.1.150.0110.00315.92
7.1.140.0030.01015.54
7.1.130.0070.01015.82
7.1.120.0110.00415.71
7.1.110.0030.00615.63
7.1.100.0040.00616.67
7.1.90.0030.01315.77
7.1.80.0040.00715.92
7.1.70.0030.00916.50
7.1.60.0080.01317.71
7.1.50.0150.01025.03
7.1.40.0030.00915.82
7.1.30.0030.00915.61
7.1.20.0040.01115.79
7.1.10.0030.01015.84
7.1.00.0080.03718.88
7.0.330.0070.00715.34
7.0.320.0040.01115.49
7.0.310.0050.00515.32
7.0.300.0030.01014.95
7.0.290.0040.01115.03
7.0.280.0070.00715.31
7.0.270.0040.00715.27
7.0.260.0030.01015.17
7.0.250.0080.00315.41
7.0.240.0040.00415.30
7.0.230.0060.00915.32
7.0.220.0030.01315.39
7.0.210.0070.00715.35
7.0.200.0130.00614.81
7.0.190.0090.00615.46
7.0.180.0040.00415.22
7.0.170.0060.00315.20
7.0.160.0070.01015.32
7.0.150.0040.00415.30
7.0.140.0040.03918.66
7.0.130.0090.00015.46
7.0.120.0040.00815.16
7.0.110.0110.00315.40
7.0.100.0040.00815.02
7.0.90.0130.01817.65
7.0.80.0100.02017.51
7.0.70.0140.01717.71
7.0.60.0130.02117.48
7.0.50.0180.03117.80
7.0.40.0100.03316.78
7.0.30.0120.03716.61
7.0.20.0050.03016.55
7.0.10.0030.03016.60
7.0.00.0080.04716.78
5.6.400.0030.00714.23
5.6.390.0060.00614.07
5.6.380.0000.01614.44
5.6.370.0040.00414.15
5.6.360.0000.01314.53
5.6.350.0080.00414.45
5.6.340.0070.00414.22
5.6.330.0000.01114.36
5.6.320.0060.00913.97
5.6.310.0000.00914.41
5.6.300.0030.00614.18
5.6.290.0100.00314.43
5.6.280.0110.00314.24
5.6.270.0100.00314.56
5.6.260.0140.00013.98
5.6.250.0030.00614.38
5.6.240.0050.02017.46
5.6.230.0070.02017.47
5.6.220.0000.02417.38
5.6.210.0080.01817.42
5.6.200.0050.02217.64
5.6.190.0070.02217.71
5.6.180.0090.04717.59
5.6.170.0140.02217.80
5.6.160.0080.02317.75
5.6.150.0030.03017.69
5.6.140.0080.04517.81
5.6.130.0080.04217.72
5.6.120.0080.04217.61
5.6.110.0050.04417.71
5.6.100.0060.03217.57
5.6.90.0050.02917.67
5.6.80.0030.02917.30
5.6.70.0090.03917.36
5.6.60.0100.04317.36
5.6.50.0150.03317.34
5.6.40.0080.04017.37
5.6.30.0050.02517.28
5.6.20.0080.03817.24
5.6.10.0100.02017.27
5.6.00.0030.03517.32
5.5.380.0020.02517.33
5.5.370.0080.01917.30
5.5.360.0120.02817.30
5.5.350.0090.01817.41
5.5.340.0070.02217.59
5.5.330.0070.04017.65
5.5.320.0080.04317.38
5.5.310.0050.04217.58
5.5.300.0100.02017.52
5.5.290.0060.02917.54
5.5.280.0080.04117.46
5.5.270.0070.02517.41
5.5.260.0120.03517.39
5.5.250.0150.03817.21
5.5.240.0080.04317.08
5.5.230.0020.04717.12
5.5.220.0050.02817.27
5.5.210.0080.04317.17
5.5.200.0120.02217.12
5.5.190.0080.04317.23
5.5.180.0060.04217.07
5.5.170.0040.00714.34
5.5.160.0080.02817.23
5.5.150.0100.03917.18
5.5.140.0030.02717.25
5.5.130.0060.02617.10
5.5.120.0070.03717.21
5.5.110.0050.03317.27
5.5.100.0070.03317.05
5.5.90.0080.02216.95
5.5.80.0100.03117.09
5.5.70.0060.03917.05
5.5.60.0120.03817.14
5.5.50.0050.04417.17
5.5.40.0090.03417.10
5.5.30.0080.04317.13
5.5.20.0080.03817.18
5.5.10.0050.04416.95
5.5.00.0010.03117.16
5.4.450.0050.04515.27
5.4.440.0070.04015.18
5.4.430.0110.03315.16
5.4.420.0080.02815.27
5.4.410.0060.04314.96
5.4.400.0050.03615.00
5.4.390.0030.03114.95
5.4.380.0050.02014.92
5.4.370.0030.02714.98
5.4.360.0070.02015.04
5.4.350.0020.02515.04
5.4.340.0080.04015.00
5.4.330.0040.00710.91
5.4.320.0080.02315.01
5.4.310.0070.03714.94
5.4.300.0120.02214.83
5.4.290.0080.03314.96
5.4.280.0040.04214.70
5.4.270.0030.04415.11
5.4.260.0100.03114.97
5.4.250.0100.03514.79
5.4.240.0070.03514.90
5.4.230.0020.04014.94
5.4.220.0100.03314.78
5.4.210.0080.02514.91
5.4.200.0070.03714.69
5.4.190.0070.04214.88
5.4.180.0050.04314.97
5.4.170.0100.02214.78
5.4.160.0050.02714.90
5.4.150.0050.04314.89
5.4.140.0030.02813.42
5.4.130.0080.02513.63
5.4.120.0100.03313.55
5.4.110.0090.04013.70
5.4.100.0020.04013.67
5.4.90.0030.03613.62
5.4.80.0020.04513.44
5.4.70.0080.03413.73
5.4.60.0050.02513.43
5.4.50.0030.02513.73
5.4.40.0050.03113.63
5.4.30.0050.03913.67
5.4.20.0020.04613.67
5.4.10.0080.03813.57
5.4.00.0080.03513.19
5.3.290.0070.07014.48
5.3.280.0000.06314.58
5.3.270.0070.04014.61
5.3.260.0170.06314.42
5.3.250.0100.07314.61
5.3.240.0100.07314.59
5.3.230.0130.06714.58
5.3.220.0100.06714.57
5.3.210.0100.07314.40
5.3.200.0070.07014.52
5.3.190.0100.03714.43
5.3.180.0070.04314.41
5.3.170.0070.05014.55
5.3.160.0100.03714.57
5.3.150.0000.04014.52
5.3.140.0070.05014.50
5.3.130.0100.06714.54
5.3.120.0100.05014.56
5.3.110.0070.07714.49
5.3.100.0030.08013.98
5.3.90.0000.04314.02
5.3.80.0100.06014.00
5.3.70.0030.05014.02
5.3.60.0130.07013.91
5.3.50.0030.05713.95
5.3.40.0100.07313.94
5.3.30.0100.06713.68
5.3.20.0100.06713.55
5.3.10.0170.05313.62
5.3.00.0100.05313.63
5.2.170.0030.05710.98
5.2.160.0070.05011.13
5.2.150.0030.07011.13
5.2.140.0070.06310.95
5.2.130.0100.05311.09
5.2.120.0030.06010.91
5.2.110.0070.06011.04
5.2.100.0100.06011.12
5.2.90.0070.05711.17
5.2.80.0070.06011.11
5.2.70.0100.05711.01
5.2.60.0130.04311.07
5.2.50.0070.06010.80
5.2.40.0070.05710.86
5.2.30.0070.03310.96
5.2.20.0070.05710.82
5.2.10.0100.06010.93
5.2.00.0070.04010.63
5.1.60.0030.0539.98
5.1.50.0030.0339.98
5.1.40.0070.0479.96
5.1.30.0100.03710.36
5.1.20.0070.04010.35
5.1.10.0000.05310.05
5.1.00.0000.05710.10
5.0.50.0030.0408.53
5.0.40.0070.0438.40
5.0.30.0070.0308.24
5.0.20.0070.0378.25
5.0.10.0030.0278.17
5.0.00.0070.0508.26
4.4.90.0000.0406.95
4.4.80.0000.0336.95
4.4.70.0030.0336.95
4.4.60.0000.0376.95
4.4.50.0030.0236.95
4.4.40.0030.0476.95
4.4.30.0030.0336.95
4.4.20.0030.0236.95
4.4.10.0030.0306.95
4.4.00.0000.0576.95
4.3.110.0000.0336.95
4.3.100.0030.0176.95
4.3.90.0100.0206.95
4.3.80.0000.0536.95
4.3.70.0030.0206.95
4.3.60.0030.0276.95
4.3.50.0030.0336.95
4.3.40.0000.0536.95
4.3.30.0000.0406.95
4.3.20.0000.0376.95
4.3.10.0000.0376.95
4.3.00.0030.0306.95

preferences:
67.98 ms | 401 KiB | 5 Q