3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new SimpleXMLElement(); json_encode($x);

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)
8.3.60.0030.01416.63
8.3.50.0140.00821.86
8.3.40.0070.00718.69
8.3.30.0100.00718.67
8.3.20.0000.00720.04
8.3.10.0000.00823.66
8.3.00.0100.00017.46
8.2.180.0070.00718.14
8.2.170.0150.00022.96
8.2.160.0090.00620.39
8.2.150.0030.00724.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0060.00617.50
8.2.110.0090.00022.06
8.2.100.0040.00817.93
8.2.90.0000.00819.23
8.2.80.0080.00017.97
8.2.70.0060.00317.38
8.2.60.0090.00017.93
8.2.50.0040.00418.07
8.2.40.0040.00421.25
8.2.30.0030.00320.59
8.2.20.0040.00417.67
8.2.10.0070.00017.98
8.2.00.0040.00417.86
8.1.280.0100.01025.92
8.1.270.0090.00023.84
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00422.56
8.1.230.0040.00817.66
8.1.220.0090.00017.74
8.1.210.0030.00618.77
8.1.200.0000.01117.35
8.1.190.0000.00817.13
8.1.180.0000.00818.10
8.1.170.0000.00719.02
8.1.160.0000.00822.03
8.1.150.0040.00418.71
8.1.140.0000.00819.45
8.1.130.0030.00317.52
8.1.120.0040.00417.24
8.1.110.0070.00317.21
8.1.100.0070.00017.32
8.1.90.0050.00317.32
8.1.80.0000.00917.24
8.1.70.0000.00817.22
8.1.60.0030.00517.37
8.1.50.0030.00517.49
8.1.40.0040.00817.36
8.1.30.0000.00817.64
8.1.20.0040.00417.54
8.1.10.0040.00417.51
8.1.00.0000.00717.28
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.41
8.0.270.0030.00317.10
8.0.260.0000.00617.18
8.0.250.0070.00016.85
8.0.240.0070.00016.93
8.0.230.0030.00316.98
8.0.220.0000.00716.87
8.0.210.0040.00416.89
8.0.200.0040.00416.83
8.0.190.0040.00416.91
8.0.180.0030.00616.79
8.0.170.0040.00416.73
8.0.160.0040.00416.98
8.0.150.0000.00716.70
8.0.140.0000.00716.73
8.0.130.0030.00313.27
8.0.120.0080.00016.86
8.0.110.0040.00416.94
8.0.100.0070.00016.78
8.0.90.0000.00716.86
8.0.80.0090.00616.77
8.0.70.0070.00016.74
8.0.60.0000.00816.85
8.0.50.0000.00716.93
8.0.30.0090.00917.10
8.0.20.0110.00817.40
8.0.10.0000.00816.92
8.0.00.0130.00516.79
7.4.330.0050.00015.08
7.4.320.0000.00616.47
7.4.300.0030.00316.44
7.4.290.0030.00316.47
7.4.280.0070.00016.35
7.4.270.0000.00616.34
7.4.260.0000.00716.31
7.4.250.0070.00016.50
7.4.240.0030.00316.45
7.4.230.0040.00416.32
7.4.220.0170.00316.42
7.4.210.0050.00916.32
7.4.200.0030.00316.62
7.4.160.0080.00816.45
7.4.150.0110.00717.40
7.4.140.0140.00917.86
7.4.130.0080.01116.44
7.4.120.0080.00816.31
7.4.110.0070.01016.39
7.4.100.0100.01316.40
7.4.90.0070.01016.34
7.4.80.0140.00719.39
7.4.70.0060.01416.58
7.4.60.0080.00816.42
7.4.50.0030.00516.43
7.4.40.0070.01016.36
7.4.30.0060.01116.63
7.4.00.0030.01414.71
7.3.330.0000.00513.14
7.3.320.0050.00013.07
7.3.310.0030.00616.25
7.3.300.0070.00016.15
7.3.290.0080.00716.28
7.3.280.0080.00916.22
7.3.270.0070.01117.40
7.3.260.0090.00616.27
7.3.250.0070.01216.41
7.3.240.0100.01116.21
7.3.230.0120.00316.44
7.3.210.0120.00916.16
7.3.200.0100.00716.34
7.3.190.0130.01016.35
7.3.180.0130.00316.13
7.3.170.0100.00616.29
7.3.160.0000.01716.49
7.3.10.0100.00616.54
7.3.00.0090.00316.57
7.2.330.0090.01016.20
7.2.320.0090.01516.55
7.2.310.0030.01416.23
7.2.300.0100.00716.36
7.2.290.0110.01116.45
7.2.130.0060.00716.78
7.2.120.0050.00716.75
7.2.110.0060.00716.66
7.2.100.0050.00916.72
7.2.90.0040.00816.81
7.2.80.0060.00516.84
7.2.70.0040.00816.64
7.2.60.0040.00716.80
7.2.50.0060.00616.75
7.2.40.0090.00716.77
7.2.30.0090.00616.77
7.2.20.0050.00816.87
7.2.10.0070.00716.77
7.2.00.0060.00817.52
7.1.250.0080.00515.56
7.1.240.0070.00715.40
7.1.230.0090.00615.68
7.1.220.0000.00815.74
7.1.210.0030.01015.77
7.1.200.0030.00815.67
7.1.190.0060.00615.69
7.1.180.0110.00015.45
7.1.170.0030.00715.59
7.1.160.0030.00615.71
7.1.150.0060.00615.71
7.1.140.0030.01315.52
7.1.130.0090.00615.57
7.1.120.0040.00815.33
7.1.110.0070.00715.59
7.1.100.0030.00716.67
7.1.90.0030.00715.51
7.1.80.0090.00315.58
7.1.70.0070.00516.31
7.1.60.0100.00517.47
7.1.50.0040.00816.17
7.1.40.0070.00415.65
7.1.30.0040.00715.67
7.1.20.0000.01115.75
7.1.10.0080.00615.69
7.1.00.0120.03718.98
7.0.330.0030.00715.18
7.0.320.0070.00715.35
7.0.310.0040.00414.93
7.0.300.0030.01015.30
7.0.290.0060.00615.16
7.0.280.0050.00515.11
7.0.270.0060.00315.39
7.0.260.0060.00315.19
7.0.250.0140.00015.36
7.0.240.0110.00015.24
7.0.230.0060.00615.26
7.0.220.0120.00615.17
7.0.210.0030.00915.19
7.0.200.0260.01014.81
7.0.190.0030.00715.28
7.0.180.0030.00715.44
7.0.170.0070.00315.21
7.0.160.0070.00715.25
7.0.150.0030.00515.03
7.0.140.0070.00315.01
7.0.130.0110.00315.24
7.0.120.0000.00815.41
7.0.110.0000.00815.39
7.0.100.0060.00615.23
7.0.90.0090.04517.59
7.0.80.0140.03717.51
7.0.70.0300.04017.71
7.0.60.0020.04417.59
7.0.50.0100.04217.69
7.0.40.0120.04316.71
7.0.30.0070.04716.69
7.0.20.0030.04116.77
7.0.10.0070.03716.62
7.0.00.0080.04316.51
5.6.380.0110.00014.31
5.6.370.0090.00314.14
5.6.360.0040.00814.22
5.6.350.0040.00414.47
5.6.340.0050.00514.48
5.6.330.0060.00914.40
5.6.320.0060.00614.32
5.6.310.0070.01014.16
5.6.300.0030.00914.63
5.6.290.0040.00814.29
5.6.280.0050.02817.50
5.6.270.0040.00714.13
5.6.260.0110.00313.92
5.6.250.0030.01013.96
5.6.240.0030.04117.44
5.6.230.0090.04017.54
5.6.220.0060.03917.31
5.6.210.0070.04317.42
5.6.200.0100.02717.74
5.6.190.0110.03817.49
5.6.180.0050.03717.37
5.6.170.0120.03517.58
5.6.160.0070.03717.45
5.6.150.0050.04217.69
5.6.140.0080.03917.69
5.6.130.0070.04217.55
5.6.120.0050.03017.61
5.6.110.0100.02217.58
5.6.100.0050.02817.63
5.6.90.0090.04217.49
5.6.80.0080.02817.10
5.6.70.0050.04517.15
5.6.60.0020.04717.28
5.6.50.0070.04417.32
5.6.40.0090.03817.27
5.6.30.0090.02817.17
5.6.20.0120.03717.27
5.6.10.0090.02217.17
5.6.00.0050.04117.38
5.5.380.0020.02715.70
5.5.370.0080.03815.71
5.5.360.0140.03815.77
5.5.350.0030.04715.68
5.5.340.0030.04615.98
5.5.330.0100.04015.76
5.5.320.0000.04815.90
5.5.310.0090.04215.91
5.5.300.0050.02415.94
5.5.290.0070.04715.88
5.5.280.0000.03215.93
5.5.270.0050.02715.97
5.5.260.0050.03815.76
5.5.250.0090.03015.79
5.5.240.0050.02515.56
5.5.230.0030.04015.52
5.5.220.0050.04115.59
5.5.210.0000.03315.52
5.5.200.0120.04415.60
5.5.190.0070.03715.59
5.5.180.0030.04515.57
5.5.170.0000.00710.95
5.5.160.0060.03615.58
5.5.150.0050.03715.57
5.5.140.0100.03415.54
5.5.130.0080.02115.51
5.5.120.0070.04115.54
5.5.110.0110.03815.57
5.5.100.0060.02815.48
5.5.90.0100.03515.49
5.5.80.0030.04315.51
5.5.70.0050.03515.47
5.5.60.0030.04215.50
5.5.50.0080.04115.56
5.5.40.0060.03815.49
5.5.30.0080.03815.52
5.5.20.0070.04015.57
5.5.10.0020.04315.47
5.5.00.0100.02315.44
5.4.450.0080.04215.07
5.4.440.0080.04215.16
5.4.430.0030.04515.16
5.4.420.0040.04215.14
5.4.410.0110.02815.08
5.4.400.0050.04215.08
5.4.390.0030.02914.97
5.4.380.0050.04014.97
5.4.370.0090.03714.92
5.4.360.0030.03814.88
5.4.350.0020.04315.03
5.4.340.0050.02915.04
5.4.330.0030.00610.90
5.4.320.0050.02515.01
5.4.310.0080.02515.04
5.4.300.0040.03715.06
5.4.290.0070.02214.96
5.4.280.0060.03514.97
5.4.270.0060.02615.06
5.4.260.0110.02615.01
5.4.250.0050.03814.88
5.4.240.0060.03515.02
5.4.230.0090.02515.10
5.4.220.0090.02215.03
5.4.210.0130.03514.88
5.4.200.0050.02814.88
5.4.190.0050.03115.01
5.4.180.0090.03714.85
5.4.170.0070.03514.87
5.4.160.0070.02015.01
5.4.150.0050.04015.00
5.4.140.0060.03013.65
5.4.130.0060.02513.63
5.4.120.0030.04013.63
5.4.110.0070.03613.70
5.4.100.0070.03813.69
5.4.90.0100.03513.70
5.4.80.0040.04013.70
5.4.70.0060.03813.61
5.4.60.0030.04113.60
5.4.50.0050.03713.67
5.4.40.0030.03813.77
5.4.30.0140.02813.68
5.4.20.0050.02613.61
5.4.10.0080.03813.69
5.4.00.0070.03513.35

preferences:
54.68 ms | 401 KiB | 5 Q