3v4l.org

run code in 300+ PHP versions simultaneously
<?php function get_global($name) { $global_map = &get_global_map(); return isset($global_map[$name]) ? $global_map[$name] : null; } function set_global($name, $value) { $global_map = &get_global_map(); $global_map[$name] = $value; } function &get_global_map() { static $global_map = array(); return $global_map; } set_global('foo', 42); set_global('bar', 84); var_dump(get_global('foo')); var_dump(get_global('qux'));

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)
8.5.30.0100.00917.68
8.5.20.0110.00716.36
8.5.10.0130.00420.34
8.5.00.0140.00719.96
8.4.180.0120.00922.18
8.4.170.0110.01123.89
8.4.160.0130.00923.84
8.4.150.0090.00416.90
8.4.140.0190.00917.66
8.4.130.0140.00717.57
8.4.120.0130.00720.46
8.4.110.0140.00622.45
8.4.100.0160.00517.64
8.4.90.0140.00720.90
8.4.80.0040.00419.06
8.4.70.0050.00618.82
8.4.60.0110.01118.62
8.4.50.0070.00920.80
8.4.40.0080.01217.62
8.4.30.0090.01217.94
8.4.20.0030.00517.85
8.4.10.0060.00317.87
8.3.300.0050.00520.77
8.3.290.0140.00918.32
8.3.280.0080.01318.38
8.3.270.0130.00616.56
8.3.260.0080.00216.73
8.3.250.0120.00618.93
8.3.240.0140.00616.85
8.3.230.0070.00116.70
8.3.220.0110.00818.93
8.3.210.0110.00718.29
8.3.200.0040.00416.50
8.3.190.0080.01217.00
8.3.180.0100.00818.79
8.3.170.0070.01316.37
8.3.160.0070.01117.43
8.3.150.0140.00418.93
8.3.140.0110.00720.78
8.3.130.0040.00418.42
8.3.120.0090.00618.97
8.3.110.0090.00020.94
8.3.100.0060.00324.06
8.3.90.0000.00826.77
8.3.80.0140.00018.33
8.3.70.0130.00918.18
8.3.60.0070.01116.75
8.3.50.0050.01221.09
8.3.40.0040.01118.82
8.3.30.0060.00919.09
8.3.20.0030.00522.10
8.3.10.0040.00421.90
8.3.00.0040.00417.63
8.2.300.0100.00917.93
8.2.290.0130.00716.35
8.2.280.0110.00418.38
8.2.270.0160.00316.71
8.2.260.0120.00616.58
8.2.250.0060.00818.59
8.2.240.0090.00017.13
8.2.230.0060.00322.58
8.2.220.0090.00037.54
8.2.210.0080.00026.77
8.2.200.0060.00316.50
8.2.190.0150.00316.88
8.2.180.0110.00718.07
8.2.170.0040.01119.07
8.2.160.0100.00322.96
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.10
8.2.110.0090.00022.17
8.2.100.0060.00617.63
8.2.90.0040.00419.33
8.2.80.0030.00517.97
8.2.70.0030.00617.50
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0040.00420.07
8.2.30.0040.00418.09
8.2.20.0060.00317.63
8.2.10.0040.00418.07
8.2.00.0070.00018.07
8.1.340.0140.00617.67
8.1.330.0150.00416.36
8.1.320.0110.00816.36
8.1.310.0000.01416.78
8.1.300.0040.00417.85
8.1.290.0000.00930.84
8.1.280.0140.00325.92
8.1.270.0060.00320.32
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.92
8.1.230.0070.00417.89
8.1.220.0030.00517.76
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.23
8.1.180.0060.00318.10
8.1.170.0000.00920.40
8.1.160.0000.00722.07
8.1.150.0040.00418.89
8.1.140.0080.00017.36
8.1.130.0000.00717.86
8.1.120.0070.00017.36
8.1.110.0040.00417.42
8.1.100.0000.00717.34
8.1.90.0040.00417.39
8.1.80.0020.00517.30
8.1.70.0030.00317.41
8.1.60.0060.00317.59
8.1.50.0000.00917.53
8.1.40.0030.00817.50
8.1.30.0000.00817.58
8.1.20.0000.00717.65
8.1.10.0070.00017.56
8.1.00.0000.00817.54
8.0.300.0050.00318.77
8.0.290.0000.00716.75
8.0.280.0040.00418.48
8.0.270.0070.00017.28
8.0.260.0030.00317.21
8.0.250.0030.00316.93
8.0.240.0070.00016.97
8.0.230.0000.00716.91
8.0.220.0030.00316.87
8.0.210.0040.00416.77
8.0.200.0060.00016.92
8.0.190.0050.00316.95
8.0.180.0040.00416.79
8.0.170.0000.00816.78
8.0.160.0040.00416.79
8.0.150.0070.00016.83
8.0.140.0040.00416.89
8.0.130.0000.00613.30
8.0.120.0000.00816.75
8.0.110.0040.00416.79
8.0.100.0050.00316.72
8.0.90.0040.00416.76
8.0.80.0080.00916.93
8.0.70.0030.00316.90
8.0.60.0040.00416.89
8.0.50.0000.00716.93
8.0.30.0100.01117.03
8.0.20.0080.01717.40
8.0.10.0000.00816.83
8.0.00.0140.00316.75
7.4.330.0030.00315.03
7.4.320.0060.00016.34
7.4.300.0030.00316.50
7.4.290.0030.00316.51
7.4.280.0070.00016.61
7.4.270.0050.00216.56
7.4.260.0000.00816.35
7.4.250.0040.00416.32
7.4.240.0050.00216.47
7.4.230.0000.00716.44
7.4.220.0120.00816.57
7.4.210.0060.00916.60
7.4.200.0030.00316.59
7.4.160.0130.00316.57
7.4.150.0140.00317.40
7.4.140.0130.00717.86
7.4.130.0130.00716.44
7.4.120.0090.01116.52
7.4.110.0030.01316.66
7.4.100.0060.01216.66
7.4.90.0120.00616.46
7.4.80.0060.01119.39
7.4.70.0140.01016.69
7.4.60.0200.00316.58
7.4.50.0000.00616.42
7.4.40.0040.01316.58
7.4.30.0110.01116.50
7.4.10.0060.01014.96
7.4.00.0070.00914.72
7.3.330.0040.00413.23
7.3.320.0050.00313.16
7.3.310.0000.00716.22
7.3.300.0000.00716.36
7.3.290.0040.00416.36
7.3.280.0100.00716.32
7.3.270.0060.00917.40
7.3.260.0090.01516.43
7.3.250.0110.00916.46
7.3.240.0130.00316.24
7.3.230.0130.00616.39
7.3.210.0160.00416.35
7.3.200.0120.00619.39
7.3.190.0090.01516.61
7.3.180.0130.00316.29
7.3.170.0060.01116.43
7.3.160.0080.00816.33
7.3.130.0060.01014.89
7.3.120.0100.00714.91
7.3.110.0140.00314.65
7.3.100.0060.00914.52
7.3.90.0040.01114.93
7.3.80.0000.01014.51
7.3.70.0000.00814.77
7.3.60.0080.00514.92
7.3.50.0000.01314.67
7.3.40.0100.00714.92
7.3.30.0060.00614.77
7.3.20.0110.00316.72
7.3.10.0050.00916.62
7.3.00.0060.00516.72
7.2.330.0060.01216.71
7.2.320.0100.00716.74
7.2.310.0060.01116.50
7.2.300.0090.00616.48
7.2.290.0130.01016.55
7.2.260.0000.01115.19
7.2.250.0040.01515.13
7.2.240.0080.00615.09
7.2.230.0120.00315.13
7.2.220.0000.01215.01
7.2.210.0060.00315.07
7.2.200.0030.00614.97
7.2.190.0000.01115.20
7.2.180.0040.01115.18
7.2.170.0100.00314.86
7.2.160.0040.01114.91
7.2.150.0000.01216.64
7.2.140.0030.00816.86
7.2.130.0040.01016.87
7.2.120.0050.00816.96
7.2.110.0080.00316.85
7.2.100.0060.01016.98
7.2.90.0050.01016.69
7.2.80.0080.01016.84
7.2.70.0080.01316.96
7.2.60.0070.00916.84
7.2.50.0090.00616.87
7.2.40.0090.00616.79
7.2.30.0060.01216.94
7.2.20.0050.00816.90
7.2.10.0050.01016.97
7.2.00.0050.00717.77
7.1.330.0070.00715.90
7.1.320.0080.00816.04
7.1.310.0060.00715.92
7.1.300.0060.00915.75
7.1.290.0070.00815.82
7.1.280.0000.01115.71
7.1.270.0030.01315.99
7.1.260.0000.01215.89
7.1.250.0080.00515.79
7.1.240.0000.01515.78
7.1.230.0070.01015.95
7.1.220.0030.01015.83
7.1.210.0040.01115.91
7.1.200.0100.00315.93
7.1.190.0030.01015.86
7.1.180.0030.00615.55
7.1.170.0000.00915.87
7.1.160.0040.01115.98
7.1.150.0070.01015.74
7.1.140.0090.00315.82
7.1.130.0060.00615.91
7.1.120.0080.00315.93
7.1.110.0080.00315.86
7.1.100.0030.00917.00
7.1.90.0030.00615.64
7.1.80.0070.00415.61
7.1.70.0030.00616.54
7.1.60.0080.00917.68
7.1.50.0100.00916.46
7.1.40.0030.01015.91
7.1.30.0000.01315.88
7.1.20.0030.01015.90
7.1.10.0070.00715.82
7.1.00.0050.04119.14
7.0.330.0080.00315.38
7.0.320.0090.00315.43
7.0.310.0120.00315.11
7.0.300.0060.00615.47
7.0.290.0040.00815.19
7.0.280.0110.00415.59
7.0.270.0060.00615.32
7.0.260.0000.01315.26
7.0.250.0000.01215.23
7.0.240.0030.00915.36
7.0.230.0040.01115.57
7.0.220.0070.00715.39
7.0.210.0060.00615.58
7.0.200.0040.00716.15
7.0.190.0040.01115.27
7.0.180.0000.01615.54
7.0.170.0040.01115.48
7.0.160.0000.01315.09
7.0.150.0050.00515.20
7.0.140.0030.00915.62
7.0.130.0100.00715.14
7.0.120.0000.01315.25
7.0.110.0040.02117.70
7.0.100.0070.02017.71
7.0.90.0030.02117.71
7.0.80.0050.02217.64
7.0.70.0060.02117.69
7.0.60.0100.01517.72
7.0.50.0080.01717.62
7.0.40.0030.02416.58
7.0.30.0090.03616.62
7.0.20.0050.02516.57
7.0.10.0020.02916.63
7.0.00.0050.02516.45
5.6.400.0060.00314.38
5.6.390.0060.00614.60
5.6.380.0000.01114.51
5.6.370.0100.00314.42
5.6.360.0070.00714.12
5.6.350.0090.00614.39
5.6.340.0030.01314.32
5.6.330.0120.00414.56
5.6.320.0100.00314.24
5.6.310.0040.00714.55
5.6.300.0090.00614.56
5.6.290.0000.01414.11
5.6.280.0030.04017.55
5.6.270.0000.01514.54
5.6.260.0130.01317.51
5.6.250.0070.02017.66
5.6.240.0050.02217.47
5.6.230.0050.01817.49
5.6.220.0070.02017.36
5.6.210.0030.02617.52
5.6.200.0050.01817.54
5.6.190.0040.02417.33
5.6.180.0030.02917.60
5.6.170.0030.03317.60
5.6.160.0050.02117.54
5.6.150.0130.03617.42
5.6.140.0060.02517.54
5.6.130.0050.04317.47
5.6.120.0050.03217.41
5.6.110.0040.02617.47
5.6.100.0100.02017.53
5.6.90.0070.02017.53
5.6.80.0030.02617.30
5.6.70.0080.02517.05
5.6.60.0060.02117.11
5.6.50.0030.02117.11
5.6.40.0030.02117.19
5.6.30.0080.02617.11
5.6.20.0060.01617.14
5.6.10.0030.04017.19
5.6.00.0020.02217.08
5.5.380.0080.01915.93
5.5.370.0040.02015.71
5.5.360.0020.02315.77
5.5.350.0050.02316.03
5.5.340.0050.02316.09
5.5.330.0070.04316.12
5.5.320.0040.04416.29
5.5.310.0060.01916.09
5.5.300.0110.03316.35
5.5.290.0060.02216.23
5.5.280.0040.03216.01
5.5.270.0080.03516.12
5.5.260.0070.02416.08
5.5.250.0060.04016.03
5.5.240.0030.02515.80
5.5.230.0020.04515.70
5.5.220.0070.02215.80
5.5.210.0100.02515.82
5.5.200.0020.03415.89
5.5.190.0060.02015.78
5.5.180.0070.03915.83
5.5.170.0050.00514.26
5.5.160.0080.02015.91
5.5.150.0100.03515.89
5.5.140.0030.02015.73
5.5.130.0050.04315.78
5.5.120.0060.04115.88
5.5.110.0040.03415.85
5.5.100.0070.02215.78
5.5.90.0010.02615.87
5.5.80.0020.03915.75
5.5.70.0070.03515.79
5.5.60.0020.02415.65
5.5.50.0070.02015.86
5.5.40.0020.02515.67
5.5.30.0020.03215.74
5.5.20.0050.03615.78
5.5.10.0100.02215.74
5.5.00.0090.03515.58
5.4.450.0070.03115.77
5.4.440.0050.02915.80
5.4.430.0030.02115.73
5.4.420.0030.03715.81
5.4.410.0050.03115.74
5.4.400.0100.01315.63
5.4.390.0020.02215.61
5.4.380.0050.02515.68
5.4.370.0050.04215.59
5.4.360.0000.02515.52
5.4.350.0050.04315.54
5.4.340.0040.01915.50
5.4.330.0060.00012.04
5.4.320.0080.01815.53
5.4.310.0000.02615.68
5.4.300.0010.02015.67
5.4.290.0060.03815.61
5.4.280.0070.03015.61
5.4.270.0030.02615.49
5.4.260.0040.03215.54
5.4.250.0050.03015.61
5.4.240.0030.03015.51
5.4.230.0050.03415.59
5.4.220.0050.02015.56
5.4.210.0090.03715.61
5.4.200.0070.04215.54
5.4.190.0120.01815.49
5.4.180.0030.03015.54
5.4.170.0060.04115.61
5.4.160.0030.04215.50
5.4.150.0020.02515.59
5.4.140.0030.02314.28
5.4.130.0010.03314.28
5.4.120.0020.02914.35
5.4.110.0050.02314.30
5.4.100.0020.02414.35
5.4.90.0040.02114.26
5.4.80.0080.01814.17
5.4.70.0000.02414.32
5.4.60.0000.02014.24
5.4.50.0030.01914.21
5.4.40.0020.02014.33
5.4.30.0030.03314.33
5.4.20.0030.02914.33
5.4.10.0030.02014.29
5.4.00.0020.02013.92
5.3.290.0030.06314.67
5.3.280.0100.06014.45
5.3.270.0070.05014.57
5.3.260.0030.04714.61
5.3.250.0000.04014.61
5.3.240.0130.03314.71
5.3.230.0070.04314.61
5.3.220.0030.04314.53
5.3.210.0070.07314.56
5.3.200.0070.05014.53
5.3.190.0070.03714.81
5.3.180.0000.05314.56
5.3.170.0000.03314.59
5.3.160.0030.05314.70
5.3.150.0170.05714.69
5.3.140.0070.03314.41
5.3.130.0200.02014.79
5.3.120.0000.04014.68
5.3.110.0000.03714.54
5.3.100.0030.06314.14
5.3.90.0030.03714.05
5.3.80.0030.03714.04
5.3.70.0030.06714.16
5.3.60.0030.03714.04
5.3.50.0030.06713.83
5.3.40.0000.06713.93
5.3.30.0030.03714.00
5.3.20.0030.07013.71
5.3.10.0030.03713.80
5.3.00.0030.03713.67
5.2.170.0030.04712.07
5.2.160.0100.02312.07
5.2.150.0070.02312.07
5.2.140.0030.05712.07
5.2.130.0100.03012.07
5.2.120.0100.02712.07
5.2.110.0070.02712.07
5.2.100.0070.02312.07
5.2.90.0000.03312.07
5.2.80.0030.03312.07
5.2.70.0030.04312.07
5.2.60.0070.04712.07
5.2.50.0000.04712.07
5.2.40.0000.03012.07
5.2.30.0030.06312.07
5.2.20.0030.03312.07
5.2.10.0030.02712.07
5.2.00.0070.02712.07
5.1.60.0030.02312.07
5.1.50.0000.03012.07
5.1.40.0070.04012.07
5.1.30.0100.04012.07
5.1.20.0070.05312.07
5.1.10.0070.02712.07
5.1.00.0070.05712.07
5.0.50.0000.02012.07
5.0.40.0070.02712.07
5.0.30.0070.03312.07
5.0.20.0000.02012.07
5.0.10.0000.04012.07
5.0.00.0030.03012.07
4.4.90.0000.02312.07
4.4.80.0030.01312.07
4.4.70.0030.02712.07
4.4.60.0000.02712.07
4.4.50.0030.02712.07
4.4.40.0030.04712.07
4.4.30.0000.01712.07
4.4.20.0030.01712.07
4.4.10.0000.01712.07
4.4.00.0000.04712.07
4.3.110.0000.01712.07
4.3.100.0000.01712.07
4.3.90.0000.03012.07
4.3.80.0000.04012.07
4.3.70.0070.01712.07
4.3.60.0000.01712.07
4.3.50.0000.01312.07
4.3.40.0000.02312.07
4.3.30.0000.01312.07
4.3.20.0000.01712.07
4.3.10.0030.01312.07
4.3.00.0070.02312.07

preferences:
66.59 ms | 2635 KiB | 5 Q