3v4l.org

run code in 300+ PHP versions simultaneously
<?php testme(); function testme() { $data='b=2'; parse_str($data); echo $b; 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)
8.3.40.0110.00418.93
8.3.30.0110.00419.26
8.3.20.0040.00420.34
8.3.10.0000.00723.66
8.3.00.0080.00021.02
8.2.170.0110.00322.96
8.2.160.0100.00320.47
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00726.16
8.2.120.0050.00320.89
8.2.110.0060.00322.21
8.2.100.0070.00417.84
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0080.00017.75
8.2.60.0080.00019.47
8.2.50.0000.00818.07
8.2.40.0040.00421.04
8.2.30.0000.00718.23
8.2.20.0050.00317.60
8.2.10.0000.00717.96
8.2.00.0030.00617.79
8.1.270.0030.00623.87
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.23
8.1.230.0080.00419.00
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0100.00317.25
8.1.190.0040.00417.35
8.1.180.0080.00018.10
8.1.170.0030.00618.65
8.1.160.0000.00721.88
8.1.150.0070.00018.64
8.1.140.0080.00017.43
8.1.130.0000.00717.77
8.1.120.0040.00417.40
8.1.110.0000.00817.30
8.1.100.0000.00717.30
8.1.90.0100.00017.29
8.1.80.0060.00617.39
8.1.70.0030.00717.37
8.1.60.0080.00017.48
8.1.50.0030.00517.44
8.1.40.0000.00717.53
8.1.30.0040.00417.68
8.1.20.0000.00817.73
8.1.10.0000.00817.46
8.1.00.0060.00317.53
8.0.300.0000.00718.77
8.0.290.0090.00017.05
8.0.280.0000.00718.38
8.0.270.0030.00317.05
8.0.260.0030.00617.11
8.0.250.0050.00216.94
8.0.240.0030.00617.01
8.0.230.0030.00516.86
8.0.220.0030.00516.80
8.0.210.0030.00316.93
8.0.200.0000.00716.93
8.0.190.0040.00416.92
8.0.180.0070.00416.94
8.0.170.0080.00016.91
8.0.160.0030.00316.77
8.0.150.0070.00016.83
8.0.140.0030.00316.91
8.0.130.0060.00013.37
8.0.120.0040.00416.97
8.0.110.0060.00316.91
8.0.100.0050.00216.93
8.0.90.0030.00316.73
8.0.80.0070.01616.89
8.0.70.0000.00716.83
8.0.60.0050.00216.93
8.0.50.0040.00416.76
8.0.30.0140.00816.96
8.0.20.0130.00617.40
8.0.10.0040.00417.05
8.0.00.0120.00616.77
7.4.330.0000.00515.02
7.4.320.0060.00016.50
7.4.300.0030.00316.65
7.4.290.0040.00416.66
7.4.280.0070.00316.39
7.4.270.0070.00016.53
7.4.260.0000.00916.61
7.4.250.0040.00416.46
7.4.240.0040.00316.54
7.4.230.0050.00416.63
7.4.220.0000.01716.55
7.4.210.0090.00516.68
7.4.200.0020.00516.40
7.4.190.0040.00416.57
7.4.160.0040.01116.52
7.4.150.0190.00617.40
7.4.140.0060.01317.86
7.4.130.0100.00716.60
7.4.120.0050.01416.61
7.4.110.0100.00716.41
7.4.100.0060.01216.48
7.4.90.0070.01016.39
7.4.80.0150.00319.39
7.4.70.0060.01016.44
7.4.60.0120.00616.48
7.4.50.0000.00716.59
7.4.40.0100.01416.39
7.4.30.0070.01116.66
7.4.00.0120.00414.98
7.3.330.0000.00513.16
7.3.320.0040.00513.36
7.3.310.0040.00416.25
7.3.300.0030.00316.24
7.3.290.0110.00316.29
7.3.280.0100.00716.40
7.3.270.0160.00617.40
7.3.260.0170.00016.34
7.3.250.0120.00916.36
7.3.240.0100.01416.57
7.3.230.0150.00316.57
7.3.210.0140.00316.40
7.3.200.0220.00019.39
7.3.190.0000.01716.40
7.3.180.0110.00616.46
7.3.170.0060.00916.55
7.3.160.0090.01116.71
7.3.120.0060.00914.88
7.2.330.0090.00916.19
7.2.320.0100.00716.48
7.2.310.0110.00616.56
7.2.300.0060.01116.63
7.2.290.0160.00316.46
7.2.60.0060.00616.96
7.2.00.0070.00719.00
7.1.200.0040.00715.91
7.1.100.0060.00618.43
7.1.70.0060.00916.93
7.1.60.0040.01419.46
7.1.50.0040.01816.70
7.1.00.0030.07322.44
7.0.200.0000.00716.86
7.0.140.0000.07322.18
7.0.60.0170.07719.93
7.0.50.0000.06317.95
7.0.40.0100.08720.32
7.0.30.0300.03720.34
7.0.20.0270.04320.09
7.0.10.0030.08720.05
7.0.00.0100.08320.25
5.6.280.0000.07721.15
5.6.210.0070.08320.61
5.6.200.0030.09018.19
5.6.190.0070.05320.47
5.6.180.3370.04320.77
5.6.170.0200.06720.71
5.6.160.0070.08320.57
5.6.150.0030.04718.22
5.6.140.0070.08018.18
5.6.130.0130.06318.18
5.6.120.0070.08021.04
5.6.110.0130.07720.90
5.6.100.0030.04021.02
5.6.90.0100.08721.00
5.6.80.0030.04020.43
5.6.70.4630.03320.43
5.5.350.0300.07720.29
5.5.340.0070.07717.95
5.5.330.0030.04320.21
5.5.320.0270.07020.41
5.5.310.0230.04020.34
5.5.300.0000.04717.98
5.5.290.0100.03718.07
5.5.280.0070.04020.77
5.5.270.0000.05320.76
5.5.260.0170.05720.76
5.5.250.0170.07720.62
5.5.240.0200.07720.15
5.4.450.0870.04019.46
5.4.440.0430.04728.45
5.4.430.0400.03724.84
5.4.420.0200.04323.77
5.4.410.0330.03321.99
5.4.400.0330.03720.57
5.4.390.0070.05319.63
5.4.380.0370.06018.51
5.4.370.0270.05318.83
5.4.360.0300.06018.62
5.4.350.0230.06718.60
5.4.340.0330.04718.80
5.4.320.0030.03812.50
5.4.310.0050.03712.50
5.4.300.0080.03612.51
5.4.290.0040.04212.50
5.4.280.0040.03712.39
5.4.270.0040.03812.40
5.4.260.0080.04112.39
5.4.250.0060.04412.39
5.4.240.0100.04612.40
5.4.230.0100.04312.39
5.4.220.0080.04112.39
5.4.210.0040.04112.39
5.4.200.0080.03712.39
5.4.190.0060.03712.39
5.4.180.0060.03712.38
5.4.170.0060.03812.39
5.4.160.0060.03712.39
5.4.150.0060.03712.38
5.4.140.0080.03712.07
5.4.130.0030.04012.05
5.4.120.0100.03412.02
5.4.110.0090.03512.01
5.4.100.0110.03212.01
5.4.90.0080.03612.02
5.4.80.0050.03812.01
5.4.70.0080.03312.01
5.4.60.0040.03712.01
5.4.50.0080.03312.01
5.4.40.0050.03712.00
5.4.30.0050.03812.00
5.4.20.0080.03411.99
5.4.10.0060.03712.00
5.4.00.0050.04111.48
5.3.290.0070.03712.80
5.3.280.0100.03612.71
5.3.270.0060.04012.73
5.3.260.0020.04412.72
5.3.250.0060.03812.72
5.3.240.0050.04012.72
5.3.230.0090.03712.71
5.3.220.0090.03712.68
5.3.210.0060.04212.68
5.3.200.0080.04312.68
5.3.190.0060.04412.68
5.3.180.0070.03612.67
5.3.170.0070.04312.67
5.3.160.0100.05012.67
5.3.150.0110.04912.68
5.3.140.0080.05212.66
5.3.130.0070.05512.66
5.3.120.0060.03912.66
5.3.110.0080.03912.66
5.3.100.0080.03512.12
5.3.90.0100.04012.10
5.3.80.0090.05412.09
5.3.70.0070.04612.09
5.3.60.0080.04712.08
5.3.50.0060.04712.02
5.3.40.0090.04012.02
5.3.30.0040.04411.98
5.3.20.0080.04211.76
5.3.10.0110.03711.73
5.3.00.0090.04211.71
5.2.170.0050.0319.21
5.2.160.0050.0289.21
5.2.150.0070.0289.21
5.2.140.0040.0319.21
5.2.130.0070.0279.17
5.2.120.0070.0269.17
5.2.110.0030.0319.18
5.2.100.0060.0279.18
5.2.90.0060.0359.17
5.2.80.0080.0289.17
5.2.70.0050.0309.17
5.2.60.0090.0279.13
5.2.50.0050.0329.09
5.2.40.0020.0329.07
5.2.30.0070.0319.05
5.2.20.0060.0309.04
5.2.10.0060.0278.94
5.2.00.0070.0278.80
5.1.60.0040.0248.08
5.1.50.0020.0288.08
5.1.40.0030.0268.06
5.1.30.0030.0288.41
5.1.20.0040.0278.43
5.1.10.0090.0228.16
5.1.00.0080.0228.16
5.0.50.0020.0236.63
5.0.40.0010.0226.50
5.0.30.0030.0326.31
5.0.20.0030.0206.28
5.0.10.0020.0226.26
5.0.00.0040.0316.25
4.4.90.0040.0154.78
4.4.80.0040.0144.76
4.4.70.0010.0184.76
4.4.60.0040.0144.75
4.4.50.0030.0154.77
4.4.40.0010.0274.71
4.4.30.0040.0214.76
4.4.20.0050.0214.85
4.4.10.0040.0194.84
4.4.00.0040.0324.76
4.3.110.0040.0204.67
4.3.100.0050.0154.67
4.3.90.0040.0144.64
4.3.80.0030.0274.58
4.3.70.0070.0124.63
4.3.60.0030.0154.63
4.3.50.0040.0164.63
4.3.40.0070.0234.54
4.3.30.0010.0193.30
4.3.20.0010.0193.27
4.3.10.0030.0163.24
4.3.00.0000.02019.20

preferences:
51.16 ms | 400 KiB | 5 Q