3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(!class_exists('SimpleXMLElement')) die("Bonkers"); $xml = new SimpleXMLElement('<xml><node></node>'); var_dump(typeof($xml->node)); var_dump(typeof($xml->node->foo)); var_dump(isset($xml->node->foo)); var_dump(is_null($xml->node->foo));

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)
8.3.60.0060.01318.63
8.3.50.0110.00721.27
8.3.40.0170.00019.23
8.3.30.0140.00019.36
8.3.20.0080.00019.13
8.3.10.0040.00420.80
8.3.00.0080.00024.15
8.2.180.0040.01817.13
8.2.170.0030.01022.96
8.2.160.0100.00720.78
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00317.88
8.2.110.0080.00320.64
8.2.100.0040.00818.28
8.2.90.0040.00419.38
8.2.80.0050.00317.97
8.2.70.0040.00417.75
8.2.60.0080.00018.05
8.2.50.0060.00318.07
8.2.40.0060.00318.47
8.2.30.0030.00620.02
8.2.20.0050.00218.01
8.2.10.0040.00417.85
8.2.00.0060.00318.02
8.1.280.0100.00325.92
8.1.270.0070.00023.99
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0100.00022.73
8.1.230.0080.00321.21
8.1.220.0050.00318.77
8.1.210.0040.00419.09
8.1.200.0090.00017.47
8.1.190.0050.00317.66
8.1.180.0040.00418.10
8.1.170.0040.00418.75
8.1.160.0000.00719.04
8.1.150.0040.00418.77
8.1.140.0040.00417.70
8.1.130.0000.00717.98
8.1.120.0070.00017.63
8.1.110.0000.00717.58
8.1.100.0040.00417.72
8.1.90.0070.00017.57
8.1.80.0050.00317.55
8.1.70.0000.00717.59
8.1.60.0060.00317.77
8.1.50.0030.00617.65
8.1.40.0040.00417.68
8.1.30.0040.00417.90
8.1.20.0000.00817.86
8.1.10.0070.00017.77
8.1.00.0050.00317.70
8.0.300.0040.00420.21
8.0.290.0000.00717.43
8.0.280.0030.00318.77
8.0.270.0000.00717.50
8.0.260.0030.00317.13
8.0.250.0000.00817.24
8.0.240.0100.00017.23
8.0.230.0000.00717.22
8.0.220.0030.00317.21
8.0.210.0030.00317.18
8.0.200.0070.00017.10
8.0.190.0040.00417.21
8.0.180.0000.00717.29
8.0.170.0000.00717.09
8.0.160.0040.00417.28
8.0.150.0050.00317.16
8.0.140.0080.00017.06
8.0.130.0060.00013.68
8.0.120.0040.00417.19
8.0.110.0080.00017.06
8.0.100.0040.00417.11
8.0.90.0000.00717.22
8.0.80.0000.01517.21
8.0.70.0000.00817.13
8.0.60.0040.00417.14
8.0.50.0000.00817.02
8.0.30.0160.00417.45
8.0.20.0140.00417.44
8.0.10.0020.00517.26
8.0.00.0100.00816.98
7.4.330.0060.00015.04
7.4.320.0000.00716.63
7.4.300.0030.00316.71
7.4.290.0070.00016.64
7.4.280.0070.00016.70
7.4.270.0020.00516.71
7.4.260.0030.00313.59
7.4.250.0090.00016.84
7.4.240.0000.00716.82
7.4.230.0070.00016.80
7.4.220.0090.00916.80
7.4.210.0080.00816.83
7.4.200.0030.00316.84
7.4.190.0030.00316.74
7.4.160.0090.00616.73
7.4.150.0070.01417.40
7.4.140.0110.00717.86
7.4.130.0080.01116.85
7.4.120.0090.00916.74
7.4.110.0100.00716.99
7.4.100.0130.00716.70
7.4.90.0120.00617.01
7.4.80.0140.00319.04
7.4.70.0140.00716.72
7.4.60.0030.01516.54
7.4.50.0070.00016.53
7.4.40.0060.00922.27
7.4.30.0170.00017.00
7.4.00.0030.01314.86
7.3.330.0030.00313.35
7.3.320.0000.00513.49
7.3.310.0030.00316.61
7.3.300.0000.00616.51
7.3.290.0090.00616.56
7.3.280.0080.01016.48
7.3.270.0050.01317.40
7.3.260.0160.00318.24
7.3.250.0100.00716.55
7.3.240.0140.00816.84
7.3.230.0090.00916.75
7.3.210.0100.00716.69
7.3.200.0130.00419.39
7.3.190.0150.00516.59
7.3.180.0000.01516.87
7.3.170.0040.01216.79
7.3.160.0110.00616.59
7.3.120.0100.00614.84
7.3.10.0000.01416.72
7.3.00.0030.00616.45
7.2.330.0120.00616.71
7.2.320.0100.00716.82
7.2.310.0110.00616.51
7.2.300.0080.00816.74
7.2.290.0190.00616.85
7.2.130.0070.00716.64
7.2.120.0040.00816.71
7.2.110.0030.01216.82
7.2.100.0110.00416.88
7.2.90.0000.01116.82
7.2.80.0000.01316.56
7.2.70.0070.00716.80
7.2.60.0030.01016.83
7.2.50.0030.01016.69
7.2.40.0040.00816.91
7.2.30.0100.00016.95
7.2.20.0070.00316.66
7.2.10.0000.01417.02
7.2.00.0040.00918.18
7.1.250.0080.00515.82
7.1.200.0030.00615.60
7.1.100.0030.01018.09
7.1.70.0040.00417.01
7.1.60.0150.00719.40
7.1.50.0170.00316.82
7.1.00.0030.03322.64
7.0.200.0070.00016.80
7.0.140.0070.07022.09
7.0.60.0130.08020.13
7.0.50.0070.08017.94
7.0.40.0230.06720.21
7.0.30.0600.07020.37
7.0.20.0430.07020.23
7.0.10.0370.07720.20
7.0.00.0030.04720.37
5.6.280.0100.06721.14
5.6.210.0070.08720.65
5.6.200.0030.06718.22
5.6.190.0070.06720.63
5.6.180.0300.05020.70
5.6.170.0270.04320.67
5.6.160.0100.03720.55
5.6.150.0030.05318.33
5.6.140.0030.06018.32
5.6.130.0030.06318.40
5.6.120.0030.04021.00
5.6.110.0130.08021.21
5.6.100.0070.08721.02
5.6.90.0130.08020.99
5.6.80.0100.08320.39
5.6.70.0270.08320.53
5.5.350.4200.04020.49
5.5.340.0130.06718.20
5.5.330.0070.06720.64
5.5.320.0270.07720.43
5.5.310.0200.04320.38
5.5.300.0100.04318.15
5.5.290.0070.07318.09
5.5.280.0030.08720.93
5.5.270.0030.04720.83
5.5.260.0170.07721.04
5.5.250.0070.08320.75
5.5.240.0100.08020.19
5.4.450.0200.04319.49
5.4.440.0200.04319.53
5.4.430.0300.07319.66
5.4.420.0300.04319.54
5.4.410.0230.04719.31
5.4.400.0230.04319.30
5.4.390.0330.06719.30
5.4.380.0270.04019.20
5.4.370.0270.03719.29
5.4.360.0230.04019.12
5.4.350.0230.03719.39
5.4.340.0330.07019.41
5.4.320.0330.04319.16
5.4.310.0230.06319.12
5.4.300.0230.05719.35
5.4.290.0300.05319.31
5.4.280.0230.03719.20
5.4.270.0230.04719.33
5.4.260.0300.07319.16
5.4.250.0300.06019.13
5.4.240.0300.04019.21
5.4.230.0330.05019.38
5.4.220.0270.06019.12
5.4.210.0200.05019.38
5.4.200.0270.04719.12
5.4.190.0270.06719.36
5.4.180.0270.05719.14
5.4.170.0370.05019.32
5.4.160.0300.05719.33
5.4.150.0430.04319.04
5.4.140.0270.03716.50
5.4.130.0330.05316.63
5.4.120.0400.06316.47
5.4.110.0300.05716.68
5.4.100.0370.06316.37
5.4.90.0270.05016.39
5.4.80.0270.06016.47
5.4.70.0270.03716.38
5.4.60.0230.05316.64
5.4.50.0200.04716.50
5.4.40.0370.05016.54
5.4.30.0300.07016.65
5.4.20.0370.02716.34
5.4.10.0300.05716.53
5.4.00.0270.06715.99
5.3.290.0370.05714.72
5.3.280.0270.05314.65
5.3.270.0230.07714.89
5.3.260.0300.07014.66
5.3.250.0330.06014.66
5.3.240.0300.07314.66
5.3.230.0200.05014.64
5.3.220.0300.07314.63
5.3.210.0330.08014.65
5.3.200.0370.04014.61
5.3.190.0230.04014.81
5.3.180.0500.04014.76
5.3.170.0300.05314.61
5.3.160.0270.07014.62
5.3.150.0400.05014.62
5.3.140.0330.05314.64
5.3.130.0300.04314.61
5.3.120.0270.07314.84
5.3.110.0300.07714.59
5.3.100.0270.04014.07
5.3.90.0370.06014.25
5.3.80.0270.03314.05
5.3.70.0230.03714.20
5.3.60.0170.05314.24
5.3.50.0400.06014.00
5.3.40.0370.06314.02
5.3.30.0300.06714.11
5.3.20.0300.04713.91
5.3.10.0300.04013.88
5.3.00.0300.06313.83
5.2.170.0300.05012.34
5.2.160.0230.05012.34
5.2.150.0200.04012.34
5.2.140.0230.03312.34
5.2.130.0230.04012.34
5.2.120.0200.03712.34
5.2.110.0230.06012.34
5.2.100.0230.05712.34
5.2.90.0230.04712.34
5.2.80.0230.03712.34
5.2.70.0270.06012.34
5.2.60.0230.04312.34
5.2.50.0200.04712.34
5.2.40.0270.02312.34
5.2.30.0230.03012.34
5.2.20.0170.03312.34
5.2.10.0200.04312.34
5.2.00.0170.04012.34
5.1.60.0130.03712.34
5.1.50.0200.02712.34
5.1.40.0200.05312.34
5.1.30.0200.04312.34
5.1.20.0170.05312.34
5.1.10.0230.04712.34
5.1.00.0230.05012.34
5.0.50.0100.02712.34
5.0.40.0200.02312.34
5.0.30.0170.05712.34
5.0.20.0170.02312.34
5.0.10.0130.03312.34
5.0.00.0100.04712.34
4.4.90.0130.02712.34
4.4.80.0070.03712.34
4.4.70.0100.03712.34
4.4.60.0130.03312.34
4.4.50.0130.02312.34
4.4.40.0130.04712.34
4.4.30.0100.02012.34
4.4.20.0130.01712.34
4.4.10.0170.02712.34
4.4.00.0100.05712.34
4.3.110.0030.02712.34
4.3.100.0130.01712.34
4.3.90.0100.02012.34
4.3.80.0100.05012.34
4.3.70.0070.03712.34
4.3.60.0100.02712.34
4.3.50.0100.03312.34
4.3.40.0070.04012.34
4.3.30.0030.02312.34
4.3.20.0070.02312.34
4.3.10.0100.01712.34
4.3.00.0030.02712.34

preferences:
53.57 ms | 401 KiB | 5 Q