3v4l.org

run code in 300+ PHP versions simultaneously
<?php function destroy_foo() { global $foo; //unset($foo); } $foo = 'bar'; destroy_foo(); echo $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)
8.3.40.0140.00018.70
8.3.30.0130.00020.21
8.3.20.0040.00420.04
8.3.10.0080.00020.92
8.3.00.0030.00522.45
8.2.170.0100.00722.96
8.2.160.0090.00922.26
8.2.150.0060.00324.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00420.80
8.2.110.0030.00619.33
8.2.100.0080.00317.84
8.2.90.0050.00319.28
8.2.80.0080.00017.97
8.2.70.0000.00817.49
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0040.00417.96
8.2.30.0030.00619.35
8.2.20.0000.00817.63
8.2.10.0080.00017.58
8.2.00.0040.00417.73
8.1.270.0080.00023.99
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.55
8.1.230.0060.00620.88
8.1.220.0000.00818.77
8.1.210.0060.00718.97
8.1.200.0030.00617.23
8.1.190.0000.00817.50
8.1.180.0080.00018.10
8.1.170.0090.00018.44
8.1.160.0040.00418.79
8.1.150.0020.00518.53
8.1.140.0040.00417.29
8.1.130.0000.00717.82
8.1.120.0030.00617.41
8.1.110.0000.00717.34
8.1.100.0000.00817.28
8.1.90.0030.00317.29
8.1.80.0000.00717.30
8.1.70.0030.00317.36
8.1.60.0040.00417.53
8.1.50.0080.00017.38
8.1.40.0040.00417.41
8.1.30.0060.00317.63
8.1.20.0000.00817.61
8.1.10.0040.00417.38
8.1.00.0000.00817.30
8.0.300.0060.00219.87
8.0.290.0070.00017.18
8.0.280.0070.00018.45
8.0.270.0030.00317.13
8.0.260.0030.00316.75
8.0.250.0070.00016.85
8.0.240.0040.00416.91
8.0.230.0000.00716.79
8.0.220.0000.00716.73
8.0.210.0000.00616.88
8.0.200.0000.00716.89
8.0.190.0030.00616.87
8.0.180.0070.00016.74
8.0.170.0070.00016.88
8.0.160.0040.00416.90
8.0.150.0070.00016.73
8.0.140.0040.00416.79
8.0.130.0000.00613.28
8.0.120.0040.00416.84
8.0.110.0000.00716.78
8.0.100.0000.00716.61
8.0.90.0050.00316.77
8.0.80.0060.01416.73
8.0.70.0000.00716.84
8.0.60.0000.00716.78
8.0.50.0040.00416.77
8.0.30.0060.01417.13
8.0.20.0100.00817.40
8.0.10.0030.00316.99
8.0.00.0090.00916.84
7.4.330.0000.00516.84
7.4.320.0030.00316.45
7.4.300.0000.00616.57
7.4.290.0030.00316.60
7.4.280.0000.00716.54
7.4.270.0000.00716.45
7.4.260.0000.00513.17
7.4.250.0000.00716.53
7.4.240.0000.00716.48
7.4.230.0040.00416.55
7.4.220.0090.00916.49
7.4.210.0060.01016.51
7.4.200.0000.00816.52
7.4.190.0070.00016.40
7.4.160.0120.00316.50
7.4.150.0100.00717.40
7.4.140.0100.01117.86
7.4.130.0170.00216.62
7.4.120.0070.01016.56
7.4.110.0170.00016.41
7.4.100.0100.01416.34
7.4.90.0120.00616.51
7.4.80.0120.00619.39
7.4.70.0070.01116.58
7.4.60.0180.00616.46
7.4.50.0080.00016.45
7.4.40.0000.01822.77
7.4.30.0110.00516.39
7.4.10.0030.01415.07
7.4.00.0090.00714.83
7.3.330.0000.00613.06
7.3.320.0020.00213.36
7.3.310.0090.00016.24
7.3.300.0070.00016.33
7.3.290.0070.00716.26
7.3.280.0080.01016.31
7.3.270.0100.00617.40
7.3.260.0050.01418.24
7.3.250.0100.00716.42
7.3.240.0190.00016.61
7.3.230.0040.01216.48
7.3.210.0140.00316.48
7.3.200.0100.01219.39
7.3.190.0140.00316.26
7.3.180.0030.01316.46
7.3.170.0090.01116.52
7.3.160.0080.00816.54
7.3.130.0120.00615.05
7.3.120.0050.01214.83
7.3.110.0100.01014.39
7.3.100.0070.00614.72
7.3.90.0060.00914.69
7.3.80.0040.01114.52
7.3.70.0030.01614.92
7.3.60.0070.01114.74
7.3.50.0120.00314.62
7.3.40.0030.01014.87
7.3.30.0080.00814.28
7.3.20.0090.00616.25
7.3.10.0110.00216.66
7.3.00.0030.01116.70
7.2.330.0090.01216.64
7.2.320.0070.01016.63
7.2.310.0070.01416.70
7.2.300.0110.00716.61
7.2.290.0070.01016.73
7.2.260.0070.01114.84
7.2.250.0060.00914.66
7.2.240.0100.00714.89
7.2.230.0030.01314.81
7.2.220.0100.00315.13
7.2.210.0130.00614.74
7.2.200.0070.01114.95
7.2.190.0060.00915.03
7.2.180.0080.00614.79
7.2.170.0060.00914.87
7.2.160.0080.00614.88
7.2.150.0000.01716.81
7.2.140.0110.00316.53
7.2.130.0090.00516.87
7.2.120.0080.00816.78
7.2.110.0080.01016.68
7.2.100.0050.00616.61
7.2.90.0080.00816.80
7.2.80.0120.00416.91
7.2.70.0050.00916.80
7.2.60.0030.01116.80
7.2.50.0060.00716.46
7.2.40.0040.01016.88
7.2.30.0060.00716.91
7.2.20.0040.00616.77
7.2.10.0090.00216.81
7.2.00.0060.00917.43
7.1.330.0030.00915.74
7.1.320.0060.00615.68
7.1.310.0000.00915.66
7.1.300.0060.00915.81
7.1.290.0140.00015.74
7.1.280.0040.00415.80
7.1.270.0060.00615.54
7.1.260.0100.00315.46
7.1.250.0020.00915.81
7.1.240.0060.00915.40
7.1.230.0090.00915.61
7.1.220.0060.00615.59
7.1.210.0060.00315.81
7.1.200.0040.00715.71
7.1.190.0030.00615.48
7.1.180.0060.00915.31
7.1.170.0060.00715.74
7.1.160.0000.00815.75
7.1.150.0130.00315.58
7.1.140.0040.00415.52
7.1.130.0120.00615.73
7.1.120.0040.00715.44
7.1.110.0040.01215.64
7.1.100.0200.00416.42
7.1.90.0000.01315.61
7.1.80.0030.00615.73
7.1.70.0070.00616.42
7.1.60.0090.00917.45
7.1.50.0100.01125.00
7.1.40.0060.00615.59
7.1.30.0000.01515.92
7.1.20.0040.00715.62
7.1.10.0090.00615.66
7.1.00.0040.03219.06
7.0.330.0050.00314.77
7.0.320.0060.00615.11
7.0.310.0030.00615.30
7.0.300.0040.00714.74
7.0.290.0030.01015.29
7.0.280.0070.01015.25
7.0.270.0090.00615.32
7.0.260.0060.00615.36
7.0.250.0070.00715.16
7.0.240.0000.01415.13
7.0.230.0030.00915.36
7.0.220.0070.00415.33
7.0.210.0030.01015.31
7.0.200.0040.00415.94
7.0.190.0070.00715.36
7.0.180.0000.01215.43
7.0.170.0030.00615.05
7.0.160.0000.00915.38
7.0.150.0000.01115.19
7.0.140.0050.03818.65
7.0.130.0080.00415.31
7.0.120.0000.00915.37
7.0.110.0070.00715.29
7.0.100.0090.00615.46
7.0.90.0130.00015.36
7.0.80.0040.00715.39
7.0.70.0070.00715.32
7.0.60.0050.04617.69
7.0.50.0050.03816.65
7.0.40.0030.04316.70
7.0.30.0090.02316.77
7.0.20.0220.02316.87
7.0.10.0180.03816.77
7.0.00.0070.02416.81
5.6.400.0030.01014.04
5.6.390.0030.00914.54
5.6.380.0090.00614.54
5.6.370.0090.00314.29
5.6.360.0030.00614.05
5.6.350.0000.00814.55
5.6.340.0030.00614.20
5.6.330.0030.01313.75
5.6.320.0000.01514.24
5.6.310.0040.00814.38
5.6.300.0030.01014.28
5.6.290.0090.00014.57
5.6.280.0020.04317.73
5.6.270.0040.01114.23
5.6.260.0100.00714.29
5.6.250.0030.00614.20
5.6.240.0060.00314.22
5.6.230.0120.00014.31
5.6.220.0060.00613.88
5.6.210.0070.04517.31
5.6.200.0070.04016.03
5.6.190.0080.03817.33
5.6.180.0160.02617.45
5.6.170.0140.03417.26
5.6.160.0040.02917.16
5.6.150.0050.02616.07
5.6.140.0050.04316.19
5.6.130.0060.04116.18
5.6.120.0040.03717.76
5.6.110.0050.04917.53
5.6.100.0000.02917.63
5.6.90.0110.04317.86
5.6.80.0050.04517.41
5.6.70.2260.01817.29
5.6.60.0030.01014.10
5.6.50.0090.00614.07
5.6.40.0030.00614.14
5.6.30.0110.00314.17
5.6.20.0030.01414.43
5.6.10.0000.00914.17
5.6.00.0080.00414.16
5.5.380.0090.00014.09
5.5.370.0100.00314.09
5.5.360.0040.01114.14
5.5.350.0030.04517.26
5.5.340.0070.03015.99
5.5.330.0060.04517.25
5.5.320.0220.03817.23
5.5.310.0150.04017.23
5.5.300.0030.02815.90
5.5.290.0060.04616.10
5.5.280.0040.02417.48
5.5.270.0090.04317.35
5.5.260.0020.02717.43
5.5.250.0080.02317.23
5.5.240.0100.03717.13
5.5.230.0000.00814.06
5.5.220.0000.00814.25
5.5.210.0060.00314.14
5.5.200.0090.00013.79
5.5.190.0060.00914.28
5.5.180.0000.01414.16
5.5.170.0040.00813.88
5.5.160.0000.01213.96
5.5.150.0070.00414.23
5.5.140.0070.01013.99
5.5.130.0060.00914.31
5.5.120.0070.00714.22
5.5.110.0080.00014.16
5.5.100.0030.01014.04
5.5.90.0070.00714.02
5.5.80.0000.01013.86
5.5.70.0070.00713.80
5.5.60.0030.00914.09
5.5.50.0080.00414.22
5.5.40.0030.00914.21
5.5.30.0040.01114.23
5.5.20.0000.01014.09
5.5.10.0030.00713.83
5.5.00.0090.00614.02
5.4.450.0160.02315.02
5.4.440.0170.03215.19
5.4.430.0150.02615.07
5.4.420.0170.02715.26
5.4.410.0210.02415.13
5.4.400.0150.02615.00
5.4.390.0160.04014.96
5.4.380.0130.04514.93
5.4.370.0130.03315.17
5.4.360.0180.02615.04
5.4.350.0200.03915.07
5.4.340.0200.03314.99
5.4.330.0040.00410.83
5.4.320.0140.02714.95
5.4.310.0150.03514.85
5.4.300.0150.03715.02
5.4.290.0170.03615.09
5.4.280.0180.03815.19
5.4.270.0210.03614.96
5.4.260.0150.03715.03
5.4.250.0150.03614.95
5.4.240.0170.02815.20
5.4.230.0200.01815.05
5.4.220.0150.02815.11
5.4.210.0190.03415.06
5.4.200.0150.03814.98
5.4.190.0130.02314.99
5.4.180.0190.02215.04
5.4.170.0220.02314.90
5.4.160.0220.02514.82
5.4.150.0190.01814.91
5.4.140.0200.02413.80
5.4.130.0130.02613.57
5.4.120.0190.03313.74
5.4.110.0200.02113.65
5.4.100.0200.03413.70
5.4.90.0180.03513.70
5.4.80.0190.03013.58
5.4.70.0170.03713.64
5.4.60.0220.02713.69
5.4.50.0190.03213.78
5.4.40.0080.02913.59
5.4.30.0200.03513.63
5.4.20.0160.03013.65
5.4.10.0170.03513.68
5.4.00.0140.02313.45
5.3.290.0160.03612.83
5.3.280.0150.03112.71
5.3.270.0160.02512.72
5.3.260.0130.02512.77
5.3.250.0170.03812.76
5.3.240.0150.02812.83
5.3.230.0180.03612.67
5.3.220.0190.03712.76
5.3.210.0230.02812.70
5.3.200.0170.03912.76
5.3.190.0180.02512.65
5.3.180.0170.03612.66
5.3.170.0120.03312.75
5.3.160.0220.03512.70
5.3.150.0170.03212.65
5.3.140.0140.02812.80
5.3.130.0150.04212.67
5.3.120.0130.03912.70
5.3.110.0150.02612.64
5.3.100.0120.02012.39
5.3.90.0100.02512.46
5.3.80.0130.02012.38
5.3.70.0130.01812.46
5.3.60.0090.02312.37
5.3.50.0180.03312.43
5.3.40.0180.02012.34
5.3.30.0100.02312.33
5.3.20.0200.02612.32
5.3.10.0130.02412.20
5.3.00.0150.03512.19
5.2.170.0270.05012.87
5.2.160.0230.03312.87
5.2.150.0270.03012.87
5.2.140.0230.03712.87
5.2.130.0270.06012.87
5.2.120.0200.04012.87
5.2.110.0330.05012.87
5.2.100.0200.03012.87
5.2.90.0200.03312.87
5.2.80.0270.05712.87
5.2.70.0230.05312.87
5.2.60.0370.05012.87
5.2.50.0200.05312.87
5.2.40.0400.03012.87
5.2.30.0230.05312.87
5.2.20.0230.05712.87
5.2.10.0200.05712.87
5.2.00.0230.05312.87
5.1.60.0200.02712.87
5.1.50.0130.04312.87
5.1.40.0230.04312.87
5.1.30.0200.05312.87
5.1.20.0300.02312.87
5.1.10.0370.04012.87
5.1.00.0270.04312.87
5.0.50.0070.04712.87
5.0.40.0170.04012.87
5.0.30.0170.04712.87
5.0.20.0130.02312.87
5.0.10.0100.02712.87
5.0.00.0100.06312.87
4.4.90.0130.03312.87
4.4.80.0130.03012.87
4.4.70.0130.02712.87
4.4.60.0100.02312.87
4.4.50.0100.02712.87
4.4.40.0100.03012.87
4.4.30.0100.03712.87
4.4.20.0130.03712.87
4.4.10.0130.01712.87
4.4.00.0100.03312.87
4.3.110.0170.02312.87
4.3.100.0130.03012.87
4.3.90.0170.01712.87
4.3.80.0100.02312.87
4.3.70.0070.03012.87
4.3.60.0170.02012.87
4.3.50.0130.03012.87
4.3.40.0100.03012.87
4.3.30.0070.02012.87
4.3.20.0030.02012.87
4.3.10.0100.03312.87
4.3.00.0100.01712.87

preferences:
42.26 ms | 400 KiB | 5 Q