3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { static $bar; $bar++; echo "Before unset: $bar, "; // unset($bar); $bar = 23; echo "after unset: $bar\n"; } foo(); foo(); 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)
8.3.60.0060.00918.52
8.3.50.0100.00716.49
8.3.40.0110.00418.78
8.3.30.0100.00320.29
8.3.20.0040.00422.14
8.3.10.0040.00422.10
8.3.00.0040.00422.52
8.2.180.0170.00316.63
8.2.170.0170.00322.96
8.2.160.0100.00722.21
8.2.150.0050.00324.18
8.2.140.0000.00924.66
8.2.130.0000.00826.16
8.2.120.0050.00320.69
8.2.110.0090.00020.52
8.2.100.0040.00819.57
8.2.90.0030.00519.23
8.2.80.0030.00517.97
8.2.70.0080.00017.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0030.00518.34
8.2.30.0040.00419.48
8.2.20.0000.00817.60
8.2.10.0040.00417.67
8.2.00.0070.00417.63
8.1.270.0000.00723.99
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0030.00623.92
8.1.230.0040.00817.52
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0060.00317.18
8.1.180.0000.00918.10
8.1.170.0050.00318.65
8.1.160.0080.00018.86
8.1.150.0070.00018.59
8.1.140.0050.00317.39
8.1.130.0030.00317.78
8.1.120.0070.00317.45
8.1.110.0000.00717.47
8.1.100.0040.00417.27
8.1.90.0030.00417.43
8.1.80.0040.00417.41
8.1.70.0040.00417.28
8.1.60.0030.00617.49
8.1.50.0040.00417.56
8.1.40.0000.00817.44
8.1.30.0040.00417.63
8.1.20.0040.00417.48
8.1.10.0000.00817.46
8.1.00.0030.00517.29
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.35
8.0.270.0000.00717.26
8.0.260.0030.00316.75
8.0.250.0030.00316.94
8.0.240.0070.00316.96
8.0.230.0000.00716.91
8.0.220.0030.00316.88
8.0.210.0000.00816.80
8.0.200.0070.00016.93
8.0.190.0000.00716.93
8.0.180.0050.00216.98
8.0.170.0050.00316.91
8.0.160.0000.00716.81
8.0.150.0040.00416.85
8.0.140.0090.00316.78
8.0.130.0000.00613.29
8.0.120.0000.00716.79
8.0.110.0060.00316.82
8.0.100.0040.00416.66
8.0.90.0030.00516.74
8.0.80.0020.01316.90
8.0.70.0000.00716.82
8.0.60.0050.00316.88
8.0.50.0040.00416.88
8.0.30.0050.01316.91
8.0.20.0110.00817.40
8.0.10.0000.00716.79
8.0.00.0070.01216.73
7.4.330.0050.00016.75
7.4.320.0030.00316.42
7.4.300.0030.00316.54
7.4.290.0050.00316.50
7.4.280.0040.00416.58
7.4.270.0000.00716.57
7.4.260.0030.00313.21
7.4.250.0030.00616.54
7.4.240.0040.00416.51
7.4.230.0000.00716.48
7.4.220.0130.00716.53
7.4.210.0070.01016.55
7.4.200.0000.00716.47
7.4.190.0000.00716.76
7.4.160.0070.01016.47
7.4.150.0100.01017.40
7.4.140.0140.02117.86
7.4.130.0130.00716.39
7.4.120.0110.00816.46
7.4.110.0090.00816.52
7.4.100.0160.00716.57
7.4.90.0060.01216.55
7.4.80.0090.01519.39
7.4.70.0000.01616.54
7.4.60.0120.00416.29
7.4.50.0000.00816.60
7.4.40.0040.01122.77
7.4.30.0060.01216.46
7.4.10.0060.01315.16
7.4.00.0060.01115.12
7.3.330.0030.00313.11
7.3.320.0060.00013.27
7.3.310.0050.00216.16
7.3.300.0030.00316.29
7.3.290.0030.01016.30
7.3.280.0120.00816.33
7.3.270.0100.00717.40
7.3.260.0190.00316.34
7.3.250.0080.01016.47
7.3.240.0140.00316.39
7.3.230.0060.01016.42
7.3.210.0030.01316.34
7.3.200.0030.01719.39
7.3.190.0110.00916.65
7.3.180.0130.00616.38
7.3.170.0130.00316.46
7.3.160.0140.00416.64
7.3.130.0070.01015.01
7.3.120.0100.00814.78
7.3.110.0060.00914.59
7.3.100.0030.01214.92
7.3.90.0070.01314.99
7.3.80.0060.00914.94
7.3.70.0150.00014.68
7.3.60.0100.00314.87
7.3.50.0060.00314.97
7.3.40.0000.01214.69
7.3.30.0050.00814.59
7.3.20.0040.00816.86
7.3.10.0020.01316.71
7.3.00.0110.00116.70
7.2.330.0130.00316.59
7.2.320.0130.00316.36
7.2.310.0270.00916.61
7.2.300.0140.00316.59
7.2.290.0030.01616.59
7.2.260.0040.01415.02
7.2.250.0080.00514.99
7.2.240.0070.00714.91
7.2.230.0130.00614.86
7.2.220.0060.01314.88
7.2.210.0110.00715.21
7.2.200.0000.01414.83
7.2.190.0060.00614.77
7.2.180.0030.00614.86
7.2.170.0070.00714.75
7.2.160.0060.00614.67
7.2.150.0100.00316.95
7.2.140.0060.00317.05
7.2.130.0060.00716.77
7.2.120.0070.00816.90
7.2.110.0070.00716.97
7.2.100.0060.00516.69
7.2.90.0110.00316.77
7.2.80.0060.00816.98
7.2.70.0090.00516.90
7.2.60.0070.00716.95
7.2.50.0070.00516.67
7.2.40.0050.00716.90
7.2.30.0010.01116.88
7.2.20.0070.00716.99
7.2.10.0050.00816.92
7.2.00.0080.00417.58
7.1.330.0070.00715.70
7.1.320.0060.00915.70
7.1.310.0060.00615.77
7.1.300.0120.00415.50
7.1.290.0030.00515.66
7.1.280.0040.00715.72
7.1.270.0040.00715.55
7.1.260.0040.01115.77
7.1.250.0030.01015.79
7.1.240.0030.00715.56
7.1.230.0110.00415.87
7.1.220.0070.00715.64
7.1.210.0100.00715.60
7.1.200.0040.01215.50
7.1.190.0000.01215.80
7.1.180.0070.00715.56
7.1.170.0040.01115.91
7.1.160.0050.00315.57
7.1.150.0000.00915.59
7.1.140.0000.01215.85
7.1.130.0030.00715.85
7.1.120.0030.01015.63
7.1.110.0030.00715.98
7.1.100.0060.00616.93
7.1.90.0000.01315.44
7.1.80.0030.00615.71
7.1.70.0060.00616.26
7.1.60.0100.01017.32
7.1.50.0100.01525.18
7.1.40.0030.01215.50
7.1.30.0070.00315.63
7.1.20.0030.01015.66
7.1.10.0030.01315.88
7.1.00.0050.02818.88
7.0.330.0040.01115.29
7.0.320.0040.00415.41
7.0.310.0030.00515.38
7.0.300.0060.00615.50
7.0.290.0100.00315.46
7.0.280.0040.01115.40
7.0.270.0120.00015.37
7.0.260.0070.00715.25
7.0.250.0030.00715.24
7.0.240.0080.00615.57
7.0.230.0040.00715.40
7.0.220.0030.01015.43
7.0.210.0000.01315.13
7.0.200.0070.00416.03
7.0.190.0060.01115.18
7.0.180.0030.00615.47
7.0.170.0040.00715.34
7.0.160.0030.01015.29
7.0.150.0040.01115.60
7.0.140.0090.03418.69
7.0.130.0000.00815.57
7.0.120.0060.00915.23
7.0.110.0100.00315.41
7.0.100.0030.00915.27
7.0.90.0040.00915.47
7.0.80.0000.01115.27
7.0.70.0050.02818.61
7.0.60.0070.04518.58
7.0.50.0070.04318.75
7.0.40.0020.04216.83
7.0.30.0000.02616.91
7.0.20.0000.03816.78
7.0.10.0020.05016.84
7.0.00.0070.02316.73
5.6.400.0100.00314.40
5.6.390.0000.01414.62
5.6.380.0030.00714.69
5.6.370.0130.00014.53
5.6.360.0070.00714.47
5.6.350.0030.00714.18
5.6.340.0070.01014.58
5.6.330.0080.00314.23
5.6.320.0060.01214.51
5.6.310.0030.00914.40
5.6.300.0040.01114.46
5.6.290.0040.00814.52
5.6.280.0020.04217.80
5.6.270.0070.00714.34
5.6.260.0030.01314.12
5.6.250.0070.00314.45
5.6.240.0000.01114.32
5.6.230.0040.00914.21
5.6.220.0050.03817.41
5.6.210.0030.04717.53
5.6.200.0070.04717.59
5.6.190.0050.02317.63
5.6.180.0130.03817.79
5.6.170.0070.02017.69
5.6.160.0000.04617.60
5.6.150.0030.03517.78
5.6.140.0050.03517.63
5.6.130.0040.03117.69
5.6.120.0050.03717.80
5.6.110.0120.04417.74
5.6.100.0050.04117.51
5.6.90.0020.04717.73
5.6.80.0090.02117.29
5.6.70.0030.04517.47
5.6.60.0150.03717.40
5.6.50.0080.04217.26
5.6.40.0060.04617.33
5.6.30.0070.04617.29
5.6.20.0080.04317.32
5.6.10.0020.04017.32
5.6.00.0070.04217.35
5.5.380.0060.00614.21
5.5.370.0040.00814.41
5.5.360.0070.04717.53
5.5.350.0000.05217.27
5.5.340.0030.02817.76
5.5.330.0010.03117.60
5.5.320.0050.03017.62
5.5.310.0020.02417.56
5.5.300.0060.04317.62
5.5.290.0030.03817.54
5.5.280.0070.04717.68
5.5.270.0060.04117.51
5.5.260.0070.03717.59
5.5.250.0050.03117.40
5.5.240.0050.02517.12
5.5.230.0080.03717.11
5.5.220.0070.03317.16
5.5.210.0080.04017.22
5.5.200.0030.03317.14
5.5.190.0050.04717.20
5.5.180.0050.04417.06
5.5.170.0110.00413.99
5.5.160.0030.03217.26
5.5.150.0050.03317.25
5.5.140.0090.02416.98
5.5.130.0080.03017.17
5.5.120.0050.03317.15
5.5.110.0030.04517.20
5.5.100.0090.04017.13
5.5.90.0050.04217.21
5.5.80.0060.03117.09
5.5.70.0020.04217.09
5.5.60.0080.04317.19
5.5.50.0050.04317.17
5.5.40.0020.04717.19
5.5.30.0080.03517.00
5.5.20.0100.04417.18
5.5.10.0070.03016.96
5.5.00.0090.03916.96
5.4.450.0080.03816.30
5.4.440.0050.02716.43
5.4.430.0080.03716.43
5.4.420.0050.04316.37
5.4.410.0060.04016.31
5.4.400.0020.02816.30
5.4.390.0050.03016.20
5.4.380.0030.04216.31
5.4.370.0020.04316.23
5.4.360.0040.04216.29
5.4.350.0050.03816.21
5.4.340.0070.04016.30
5.4.330.0040.00413.39
5.4.320.0030.03316.21
5.4.310.0030.04216.31
5.4.300.0030.02816.25
5.4.290.0030.04216.12
5.4.280.0030.03316.21
5.4.270.0070.02516.27
5.4.260.0070.03916.31
5.4.250.0050.04016.21
5.4.240.0020.04316.12
5.4.230.0060.04116.14
5.4.220.0050.02316.26
5.4.210.0070.03916.30
5.4.200.0030.04216.21
5.4.190.0100.03316.25
5.4.180.0020.04616.22
5.4.170.0030.04016.12
5.4.160.0070.03216.27
5.4.150.0030.02816.30
5.4.140.0020.04114.90
5.4.130.0000.04314.86
5.4.120.0050.03114.90
5.4.110.0030.03514.88
5.4.100.0080.03714.91
5.4.90.0020.02314.87
5.4.80.0030.03814.87
5.4.70.0100.03714.92
5.4.60.0040.03914.94
5.4.50.0060.03814.92
5.4.40.0040.04114.95
5.4.30.0020.04114.92
5.4.20.0060.03014.91
5.4.10.0030.04014.91
5.4.00.0000.04014.63
5.3.290.0030.05314.69
5.3.280.0070.04714.60
5.3.270.0000.08014.61
5.3.260.0070.07714.59
5.3.250.0030.07714.53
5.3.240.0000.06314.62
5.3.230.0030.05014.70
5.3.220.0000.07714.68
5.3.210.0030.06314.59
5.3.200.0070.04014.52
5.3.190.0030.07014.59
5.3.180.0030.08014.63
5.3.170.0130.06314.62
5.3.160.0100.07314.51
5.3.150.0030.05714.66
5.3.140.0030.07714.52
5.3.130.0030.08014.66
5.3.120.0070.07014.53
5.3.110.0070.07014.47
5.3.100.0000.08314.06
5.3.90.0000.08013.98
5.3.80.0100.06014.13
5.3.70.0000.04314.13
5.3.60.0030.07714.11
5.3.50.0070.06013.96
5.3.40.0000.04013.88
5.3.30.0100.04714.05
5.3.20.0000.03713.70
5.3.10.0000.08013.58
5.3.00.0030.07313.72
5.2.170.0030.06012.41
5.2.160.0000.05712.41
5.2.150.0000.04712.41
5.2.140.0000.03312.41
5.2.130.0070.04312.41
5.2.120.0030.06312.41
5.2.110.0030.05712.41
5.2.100.0000.04312.41
5.2.90.0000.04012.41
5.2.80.0000.06012.41
5.2.70.0000.05312.41
5.2.60.0000.06712.41
5.2.50.0000.06012.41
5.2.40.0000.05712.41
5.2.30.0030.06012.41
5.2.20.0030.06312.41
5.2.10.0000.05312.41
5.2.00.0070.05712.41
5.1.60.0030.03312.41
5.1.50.0000.04312.41
5.1.40.0030.05312.41
5.1.30.0070.05312.41
5.1.20.0070.05712.41
5.1.10.0030.06012.41
5.1.00.0030.04012.41
5.0.50.0000.02012.41
5.0.40.0030.02012.41
5.0.30.0030.03012.41
5.0.20.0000.02012.41
5.0.10.0030.01712.41
5.0.00.0070.02712.41
4.4.90.0030.02312.41
4.4.80.0000.03712.41
4.4.70.0000.03712.41
4.4.60.0000.03312.41
4.4.50.0000.04012.41
4.4.40.0000.05312.41
4.4.30.0000.03712.41
4.4.20.0030.02712.41
4.4.10.0000.01712.41
4.4.00.0000.03012.41
4.3.110.0030.02012.41
4.3.100.0000.02012.41
4.3.90.0000.01712.41
4.3.80.0000.04312.41
4.3.70.0000.01312.41
4.3.60.0030.01312.41
4.3.50.0000.01712.41
4.3.40.0000.02312.41
4.3.30.0070.01012.41
4.3.20.0000.01712.41
4.3.10.0030.01312.41
4.3.00.0030.01312.41

preferences:
55.49 ms | 400 KiB | 5 Q