3v4l.org

run code in 300+ PHP versions simultaneously
<?php testme(); function testme() { $data='b=2'; parse_str($data); echo $b; if(isset($b)) { echo "good\n"; } else { echo "bad\n"; } if(isset($b)) { echo "good\n"; } else { echo "bad\n"; } if(isset($b)) { echo "good\n"; } else { echo "bad\n"; } }

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)
8.3.60.0140.00716.75
8.3.50.0140.00522.10
8.3.40.0040.01118.90
8.3.30.0140.00019.22
8.3.20.0000.00720.39
8.3.10.0030.00523.61
8.3.00.0080.00018.99
8.2.180.0040.01518.23
8.2.170.0070.00722.96
8.2.160.0150.00020.28
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00426.16
8.2.120.0030.00520.79
8.2.110.0090.00020.22
8.2.100.0070.00417.88
8.2.90.0000.00819.17
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0050.00317.80
8.2.50.0090.00018.07
8.2.40.0050.00321.01
8.2.30.0050.00318.19
8.2.20.0040.00417.74
8.2.10.0040.00418.06
8.2.00.0100.00017.70
8.1.280.0000.01425.92
8.1.270.0060.00323.89
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.84
8.1.230.0130.00318.97
8.1.220.0030.00617.74
8.1.210.0030.00618.77
8.1.200.0110.00017.13
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.55
8.1.160.0040.00421.87
8.1.150.0000.00718.64
8.1.140.0040.00417.38
8.1.130.0040.00417.71
8.1.120.0070.00017.43
8.1.110.0080.00017.48
8.1.100.0040.00417.42
8.1.90.0000.01117.39
8.1.80.0060.00517.31
8.1.70.0040.00417.36
8.1.60.0050.00317.53
8.1.50.0050.00317.57
8.1.40.0000.00817.43
8.1.30.0030.00617.55
8.1.20.0040.00417.59
8.1.10.0050.00217.55
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0040.00417.16
8.0.280.0000.00718.36
8.0.270.0030.00317.13
8.0.260.0060.00317.20
8.0.250.0000.00717.05
8.0.240.0050.00317.03
8.0.230.0030.00316.96
8.0.220.0000.00716.94
8.0.210.0040.00416.95
8.0.200.0000.00716.95
8.0.190.0000.00816.95
8.0.180.0060.00316.95
8.0.170.0040.00416.88
8.0.160.0030.00316.86
8.0.150.0000.00716.75
8.0.140.0070.00016.89
8.0.130.0050.00213.26
8.0.120.0000.00716.88
8.0.110.0040.00416.89
8.0.100.0030.00516.74
8.0.90.0000.00716.80
8.0.80.0070.01316.78
8.0.70.0040.00416.70
8.0.60.0040.00416.95
8.0.50.0000.00716.77
8.0.30.0090.01217.01
8.0.20.0110.01117.40
8.0.10.0040.00416.94
8.0.00.0100.00916.68
7.4.330.0030.00315.14
7.4.320.0000.00616.48
7.4.300.0030.00316.62
7.4.290.0000.00716.52
7.4.280.0030.00816.41
7.4.270.0070.00016.66
7.4.260.0090.00016.56
7.4.250.0040.00416.41
7.4.240.0020.00516.54
7.4.230.0040.00416.68
7.4.220.0080.01116.71
7.4.210.0070.00716.59
7.4.200.0000.00716.33
7.4.190.0000.00816.70
7.4.160.0060.00916.45
7.4.150.0100.01417.40
7.4.140.0080.00917.86
7.4.130.0060.01016.51
7.4.120.0140.00316.63
7.4.110.0100.00716.50
7.4.100.0030.01316.37
7.4.90.0030.01416.66
7.4.80.0120.01119.39
7.4.70.0100.00716.45
7.4.60.0070.01016.37
7.4.50.0040.00416.61
7.4.40.0140.00316.36
7.4.30.0140.00316.54
7.4.00.0070.01114.87
7.3.330.0000.00513.34
7.3.320.0000.00613.23
7.3.310.0000.00816.41
7.3.300.0070.00016.25
7.3.290.0100.00616.35
7.3.280.0110.00716.38
7.3.270.0120.00817.40
7.3.260.0110.00616.41
7.3.250.0070.01016.44
7.3.240.0070.01016.39
7.3.230.0140.00516.39
7.3.210.0130.00316.47
7.3.200.0160.00419.39
7.3.190.0040.01716.61
7.3.180.0040.01316.59
7.3.170.0120.00316.50
7.3.160.0070.00816.47
7.3.120.0050.01214.78
7.3.110.0090.00614.93
7.3.100.0030.01214.75
7.3.90.0110.00014.81
7.3.80.0090.00614.92
7.3.70.0100.00014.94
7.3.60.0050.00514.84
7.3.50.0090.00314.91
7.3.40.0060.00314.83
7.3.30.0070.00314.86
7.3.20.0000.01816.62
7.3.10.0040.01116.58
7.3.00.0090.00616.46
7.2.330.0160.00616.61
7.2.320.0090.00916.27
7.2.310.0100.00716.41
7.2.300.0070.01016.58
7.2.290.0070.01016.38
7.2.250.0070.01014.85
7.2.240.0040.01115.11
7.2.230.0040.00915.05
7.2.220.0040.00814.80
7.2.210.0030.01215.00
7.2.200.0000.00914.66
7.2.190.0070.00715.02
7.2.180.0040.01114.88
7.2.170.0100.00014.95
7.2.60.0120.00316.48
7.2.00.0000.01319.50
7.1.330.0030.00915.88
7.1.320.0000.00915.89
7.1.310.0100.00315.78
7.1.300.0030.00615.77
7.1.290.0030.01015.87
7.1.280.0090.00615.90
7.1.270.0030.00915.91
7.1.260.0030.01015.68
7.1.200.0060.00315.92
7.1.100.0040.00817.83
7.1.70.0030.00617.34
7.1.60.0100.00719.46
7.1.50.0040.01917.05
7.1.00.0070.07322.43
7.0.200.0000.00816.78
7.0.140.0030.07322.12
7.0.60.0070.06019.79
7.0.50.0070.04317.84
7.0.40.0030.09020.24
7.0.30.0170.04320.08
7.0.20.0230.07720.10
7.0.10.0200.07320.21
7.0.00.0070.08720.24
5.6.280.0070.07021.13
5.6.210.0100.05720.75
5.6.200.0000.04318.16
5.6.190.0030.05020.48
5.6.180.0270.08020.61
5.6.170.0330.05320.71
5.6.160.0000.04320.43
5.6.150.0000.06318.25
5.6.140.0100.04018.28
5.6.130.0100.04318.16
5.6.120.0100.08321.15
5.6.110.0030.04320.99
5.6.100.0200.07321.12
5.6.90.0000.04320.97
5.6.80.0100.04020.53
5.5.350.0300.07720.44
5.5.340.0130.07717.94
5.5.330.0030.04320.57
5.5.320.0000.06720.32
5.5.310.0230.07320.25
5.5.300.0000.04317.95
5.5.290.0100.04717.97
5.5.280.0030.05020.95
5.5.270.0130.07720.75
5.5.260.0070.09020.76
5.5.250.0100.03720.78
5.5.240.0100.07320.26
5.4.450.0700.06719.38
5.4.440.0070.06019.44
5.4.430.0770.06319.59
5.4.420.0830.06319.49
5.4.410.0070.05719.29
5.4.400.0770.06019.28
5.4.390.1070.05019.30
5.4.380.0430.07718.78
5.4.370.0430.04318.74
5.4.360.0400.04318.74
5.4.350.0370.05718.45
5.4.340.0270.07018.58
5.4.320.0030.03812.50
5.4.310.0070.03612.50
5.4.300.0130.05112.50
5.4.290.0090.05012.50
5.4.280.0140.04112.40
5.4.270.0130.04412.40
5.4.260.0100.04512.40
5.4.250.0080.04012.39
5.4.240.0060.03612.40
5.4.230.0040.04012.39
5.4.220.0070.03512.39
5.4.210.0090.03212.39
5.4.200.0090.03412.39
5.4.190.0050.03812.39
5.4.180.0120.03112.39
5.4.170.0110.03512.40
5.4.160.0090.03512.39
5.4.150.0130.03412.38
5.4.140.0080.04912.07
5.4.130.0080.04712.06
5.4.120.0110.04712.02
5.4.110.0070.04612.02
5.4.100.0060.04312.01
5.4.90.0060.03612.01
5.4.80.0070.03612.01
5.4.70.0090.03812.01
5.4.60.0050.03812.01
5.4.50.0070.03912.01
5.4.40.0060.03811.99
5.4.30.0090.03611.99
5.4.20.0100.03511.99
5.4.10.0060.04012.00
5.4.00.0030.04311.48
5.3.290.0060.04412.80
5.3.280.0050.04112.71
5.3.270.0080.04112.72
5.3.260.0070.04012.72
5.3.250.0060.04312.72
5.3.240.0060.04012.72
5.3.230.0040.04112.71
5.3.220.0080.03712.68
5.3.210.0060.04112.68
5.3.200.0070.04412.68
5.3.190.0070.04112.68
5.3.180.0050.03912.67
5.3.170.0070.03812.67
5.3.160.0060.03912.67
5.3.150.0070.03712.67
5.3.140.0080.03612.66
5.3.130.0070.03812.65
5.3.120.0050.04012.66
5.3.110.0100.03612.66
5.3.100.0070.03712.12
5.3.90.0090.03812.10
5.3.80.0050.03812.09
5.3.70.0080.03512.09
5.3.60.0060.03712.07
5.3.50.0070.03812.02
5.3.40.0050.04112.02
5.3.30.0050.04611.98
5.3.20.0050.04911.76
5.3.10.0060.03811.73
5.3.00.0070.03511.71
5.2.170.0050.0309.21
5.2.160.0050.0299.21
5.2.150.0060.0299.21
5.2.140.0030.0329.20
5.2.130.0050.0299.17
5.2.120.0050.0289.17
5.2.110.0030.0319.18
5.2.100.0030.0319.17
5.2.90.0050.0289.17
5.2.80.0060.0309.17
5.2.70.0060.0309.17
5.2.60.0070.0299.13
5.2.50.0090.0389.10
5.2.40.0050.0409.07
5.2.30.0040.0389.04
5.2.20.0040.0319.03
5.2.10.0050.0288.94
5.2.00.0040.0308.80
5.1.60.0070.0228.08
5.1.50.0030.0278.08
5.1.40.0040.0308.06
5.1.30.0060.0278.41
5.1.20.0020.0318.43
5.1.10.0030.0288.16
5.1.00.0030.0418.16
5.0.50.0010.0326.64
5.0.40.0040.0296.50
5.0.30.0050.0326.31
5.0.20.0030.0206.28
5.0.10.0040.0196.25
5.0.00.0060.0286.25
4.4.90.0040.0144.78
4.4.80.0030.0164.75
4.4.70.0030.0174.76
4.4.60.0030.0184.76
4.4.50.0070.0144.77
4.4.40.0040.0334.71
4.4.30.0050.0204.76
4.4.20.0030.0234.85
4.4.10.0030.0234.85
4.4.00.0050.0244.76
4.3.110.0030.0154.66
4.3.100.0030.0144.66
4.3.90.0040.0134.64
4.3.80.0040.0244.58
4.3.70.0050.0124.63
4.3.60.0020.0154.63
4.3.50.0030.0164.62
4.3.40.0050.0224.54
4.3.30.0040.0143.30
4.3.20.0020.0163.28
4.3.10.0010.0173.24
4.3.00.0030.01716.14

preferences:
39.32 ms | 401 KiB | 5 Q