3v4l.org

run code in 300+ PHP versions simultaneously
<?php testme(); function testme() { $data='b=2'; parse_str($data); echo $b; echo $b; if(false) { echo $b; } else { echo "bad\n"; } if(isset($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)
8.3.40.0120.00319.00
8.3.30.0140.00019.22
8.3.20.0000.00720.38
8.3.10.0000.00723.48
8.3.00.0040.00419.26
8.2.170.0170.00322.96
8.2.160.0100.01020.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00020.58
8.2.110.0060.00322.13
8.2.100.0120.00019.51
8.2.90.0060.00319.17
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0030.00517.80
8.2.50.0030.00518.07
8.2.40.0080.00021.24
8.2.30.0040.00418.07
8.2.20.0030.00617.68
8.2.10.0080.00018.05
8.2.00.0050.00317.74
8.1.270.0060.00323.97
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00022.05
8.1.230.0060.00619.08
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00517.35
8.1.190.0040.00417.35
8.1.180.0040.00918.10
8.1.170.0060.00318.41
8.1.160.0070.00021.96
8.1.150.0070.00018.46
8.1.140.0070.00017.38
8.1.130.0000.00817.88
8.1.120.0070.00017.42
8.1.110.0040.00317.40
8.1.100.0000.00717.38
8.1.90.0000.01017.33
8.1.80.0000.01017.44
8.1.70.0030.00617.36
8.1.60.0030.00617.48
8.1.50.0030.00617.59
8.1.40.0040.00417.52
8.1.30.0030.00517.63
8.1.20.0000.00717.56
8.1.10.0030.00517.55
8.1.00.0000.00817.53
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0070.00018.33
8.0.270.0000.00717.19
8.0.260.0000.00617.08
8.0.250.0070.00016.99
8.0.240.0000.00816.99
8.0.230.0000.00716.98
8.0.220.0030.00316.89
8.0.210.0000.00816.91
8.0.200.0060.00016.89
8.0.190.0040.00417.00
8.0.180.0060.00316.83
8.0.170.0040.00416.95
8.0.160.0000.00716.92
8.0.150.0070.00016.82
8.0.140.0050.00216.86
8.0.130.0000.00513.32
8.0.120.0040.00416.77
8.0.110.0070.00016.79
8.0.100.0070.00016.93
8.0.90.0030.00516.68
8.0.80.0070.01416.88
8.0.70.0040.00416.89
8.0.60.0000.00716.70
8.0.50.0000.00716.84
8.0.30.0060.01217.06
8.0.20.0090.01117.40
8.0.10.0040.00416.83
8.0.00.0100.01016.77
7.4.330.0000.00515.02
7.4.320.0030.00316.54
7.4.300.0060.00016.48
7.4.290.0000.00716.49
7.4.280.0040.00416.52
7.4.270.0050.00316.66
7.4.260.0000.00716.50
7.4.250.0050.00216.50
7.4.240.0020.00616.49
7.4.230.0000.00816.60
7.4.220.0000.01816.57
7.4.210.0090.00516.59
7.4.200.0040.00416.41
7.4.190.0000.00716.62
7.4.160.0040.01116.44
7.4.150.0070.01117.40
7.4.140.0070.01217.86
7.4.130.0080.00916.69
7.4.120.0110.00616.55
7.4.110.0080.00816.54
7.4.100.0110.00716.61
7.4.90.0130.00916.58
7.4.80.0090.01319.39
7.4.70.0090.00616.66
7.4.60.0120.00616.62
7.4.50.0040.00416.41
7.4.40.0060.01216.59
7.4.30.0060.01016.39
7.4.00.0100.00614.71
7.3.330.0030.00313.19
7.3.320.0020.00513.29
7.3.310.0000.00716.25
7.3.300.0040.00416.41
7.3.290.0000.01316.35
7.3.280.0090.01016.36
7.3.270.0190.00417.40
7.3.260.0140.00316.66
7.3.250.0060.01216.41
7.3.240.0080.00816.37
7.3.230.0170.00016.39
7.3.210.0100.00616.50
7.3.200.0090.00619.39
7.3.190.0110.00916.35
7.3.180.0120.00916.56
7.3.170.0060.00916.50
7.3.160.0120.00316.45
7.3.120.0090.00614.86
7.2.330.0030.01616.59
7.2.320.0140.00416.61
7.2.310.0100.00716.74
7.2.300.0120.00616.43
7.2.290.0070.01316.29
7.2.110.0190.00314.56
7.2.100.0670.00314.47
7.2.90.0810.00714.37
7.2.80.0480.01014.52
7.2.70.0110.00714.91
7.2.60.0110.00715.89
7.2.50.0680.00614.79
7.2.40.0620.00614.81
7.2.30.0540.01014.82
7.2.20.0390.01115.09
7.2.10.0470.01015.04
7.2.00.0570.00714.76
7.1.230.1070.00613.99
7.1.220.0560.00613.79
7.1.210.0330.00713.79
7.1.200.0480.00914.85
7.1.190.0670.00613.58
7.1.180.0200.00713.93
7.1.170.0110.00513.52
7.1.160.0620.00613.96
7.1.150.0670.00613.70
7.1.140.0030.00913.86
7.1.130.0390.00713.95
7.1.120.0270.00313.93
7.1.110.0400.00613.87
7.1.100.0630.01013.70
7.1.90.0770.00913.79
7.1.80.0180.00313.89
7.1.70.0070.00515.57
7.1.60.0160.01625.70
7.1.50.0260.01124.25
7.1.40.0310.01431.60
7.1.30.0830.00931.96
7.1.20.0860.00931.66
7.1.10.0720.00713.53
7.1.00.0090.04218.04
7.0.310.0770.00313.56
7.0.300.0670.00713.04
7.0.290.0220.00213.23
7.0.280.0760.00613.36
7.0.270.0620.00413.42
7.0.260.0650.00713.13
7.0.250.0180.00713.26
7.0.240.0400.00913.10
7.0.230.0180.00913.61
7.0.220.0790.00613.31
7.0.210.0610.00313.50
7.0.200.0280.00614.89
7.0.190.0160.01313.20
7.0.180.0080.01213.23
7.0.170.0580.01013.27
7.0.160.0170.00813.43
7.0.150.0700.00413.57
7.0.140.0140.03817.54
7.0.130.0470.00013.21
7.0.120.0780.00613.25
7.0.110.0240.00613.23
7.0.100.1050.00913.35
7.0.90.0400.00913.11
7.0.80.0180.00713.19
7.0.70.0330.00413.38
7.0.60.0080.04716.54
7.0.50.0450.02315.68
7.0.40.0070.04616.78
7.0.30.0580.03516.63
7.0.20.0230.02516.92
7.0.10.0390.02916.81
7.0.00.0420.04316.70
5.6.380.0080.00513.93
5.6.370.0110.00914.08
5.6.360.0090.00914.25
5.6.350.0040.01514.38
5.6.340.0180.00614.16
5.6.330.0070.01114.38
5.6.320.0150.00314.02
5.6.310.0130.00714.24
5.6.300.0100.00514.45
5.6.290.0070.01014.31
5.6.280.0040.04217.71
5.6.270.0070.00714.25
5.6.260.0070.01314.34
5.6.250.0130.00914.13
5.6.240.0030.01514.22
5.6.230.0140.00514.16
5.6.220.0060.00914.07
5.6.210.0040.02717.38
5.6.200.0120.04016.09
5.6.190.0090.04517.41
5.6.180.0150.03417.50
5.6.170.0120.02517.29
5.6.160.0080.02317.24
5.6.150.0090.04316.23
5.6.140.0120.02816.23
5.6.130.0070.05316.16
5.6.120.0130.01717.61
5.6.110.0110.04617.63
5.6.100.0120.03517.63
5.6.90.0070.03517.63
5.6.80.0090.03417.24
5.6.70.0110.00614.21
5.6.60.0080.00914.17
5.6.50.0050.01013.97
5.6.40.0130.00814.03
5.6.30.0070.01414.01
5.6.20.0120.00614.34
5.6.10.0130.00314.17
5.6.00.0110.00614.04
5.5.380.0080.00811.13
5.5.370.0060.00611.32
5.5.360.0060.01111.00
5.5.350.0070.03215.71
5.5.340.0120.02314.68
5.5.330.0090.01815.64
5.5.320.0180.03215.71
5.5.310.0250.03915.51
5.5.300.0060.04214.53
5.5.290.0060.04014.62
5.5.280.0090.02416.03
5.5.270.0090.03015.84
5.5.260.0090.04415.93
5.5.250.0120.04116.00
5.5.240.0110.03815.61
5.5.230.0080.00410.91
5.5.220.0060.00611.05
5.5.210.0100.00711.05
5.5.200.0070.01011.20
5.5.190.0130.00011.20
5.5.180.0080.00410.83
5.5.170.0130.00314.13
5.5.160.0040.00911.21
5.5.150.0080.00310.99
5.5.140.0090.00311.11
5.5.130.0100.00210.74
5.5.120.0100.00310.93
5.5.110.0120.00010.95
5.5.100.0040.00810.91
5.5.90.0100.00411.17
5.5.80.0040.00811.21
5.5.70.0070.00510.99
5.5.60.0110.00010.88
5.5.50.0110.00011.22
5.5.40.0080.00511.16
5.5.30.0110.00310.72
5.5.20.0110.00311.22
5.5.10.0070.00410.99
5.5.00.0090.00411.14
5.4.450.0140.02822.45
5.4.440.0080.03020.09
5.4.430.0220.02518.21
5.4.420.0200.01717.49
5.4.410.0120.02716.60
5.4.400.0120.02415.82
5.4.390.0190.02415.42
5.4.380.0180.03414.75
5.4.370.0160.03014.86
5.4.360.0300.03214.75
5.4.350.0200.03014.76
5.4.340.0310.03714.67
5.4.330.0080.00311.06
5.4.320.0110.02011.78
5.4.310.0080.02111.69
5.4.300.0080.02111.78
5.4.290.0120.01911.73
5.4.280.0050.03011.64
5.4.270.0060.02411.78
5.4.260.0070.02611.71
5.4.250.0040.03011.70
5.4.240.0090.02411.71
5.4.230.0090.02211.76
5.4.220.0100.01911.58
5.4.210.0070.02311.55
5.4.200.0080.02511.68
5.4.190.0080.02111.67
5.4.180.0070.02011.67
5.4.170.0070.02011.67
5.4.160.0060.02211.60
5.4.150.0080.02311.67
5.4.140.0090.02011.50
5.4.130.0080.02011.57
5.4.120.0050.02311.53
5.4.110.0050.02311.57
5.4.100.0090.02011.47
5.4.90.0080.02011.49
5.4.80.0100.01911.52
5.4.70.0100.01811.56
5.4.60.0080.01911.35
5.4.50.0100.01911.56
5.4.40.0090.01811.38
5.4.30.0050.02211.34
5.4.20.0060.02211.46
5.4.10.0070.01911.55
5.4.00.0080.02011.20
5.3.290.0080.02711.71
5.3.280.0040.02411.54
5.3.270.0080.02211.68
5.3.260.0080.02711.71
5.3.250.0100.02511.67
5.3.240.0080.02511.52
5.3.230.0060.02211.65
5.3.220.0080.01911.57
5.3.210.0020.02811.59
5.3.200.0090.02011.57
5.3.190.0070.02311.56
5.3.180.0090.02211.53
5.3.170.0080.02111.53
5.3.160.0060.02311.56
5.3.150.0100.02011.63
5.3.140.0110.02411.49
5.3.130.0090.02411.48
5.3.120.0030.02711.51
5.3.110.0090.01911.61
5.3.100.0070.02211.27
5.3.90.0120.01511.38
5.3.80.0080.01911.17
5.3.70.0040.02211.22
5.3.60.0040.02311.27
5.3.50.0090.01811.23
5.3.40.0050.02211.18
5.3.30.0070.02011.27
5.3.20.0050.02011.14
5.3.10.0050.02111.00
5.3.00.0080.02010.94
5.2.170.0070.0159.41
5.2.160.0070.0159.27
5.2.150.0060.0169.34
5.2.140.0050.0189.32
5.2.130.0070.0149.32
5.2.120.0020.0189.24
5.2.110.0060.0189.36
5.2.100.0060.0199.22
5.2.90.0050.0179.31
5.2.80.0090.0159.22
5.2.70.0060.0189.34
5.2.60.0050.0209.22
5.2.50.0050.0199.11
5.2.40.0040.0189.25
5.2.30.0050.0189.20
5.2.20.0080.0149.14
5.2.10.0060.0158.99
5.2.00.0030.0199.03
5.1.60.0040.0148.26
5.1.50.0050.0158.21
5.1.40.0050.0148.34
5.1.30.0070.0138.56
5.1.20.0040.0158.48
5.1.10.0050.0148.37
5.1.00.0110.0148.14
5.0.50.0050.0107.36
5.0.40.0040.0117.29
5.0.30.0050.0167.19
5.0.20.0020.0127.18
5.0.10.0040.0127.17
5.0.00.0030.0207.16
4.4.90.0070.0076.43
4.4.80.0010.0126.42
4.4.70.0040.0096.42
4.4.60.0020.0106.42
4.4.50.0010.0116.43
4.4.40.0030.0156.39
4.4.30.0010.0126.42
4.4.20.0040.0076.46
4.4.10.0040.0076.46
4.4.00.0020.0166.42
4.3.110.0030.0106.37
4.3.100.0020.0106.37
4.3.90.0040.0116.36
4.3.80.0010.0166.33
4.3.70.0010.0126.35
4.3.60.0040.0086.35
4.3.50.0020.0116.35
4.3.40.0010.0176.31
4.3.30.0010.0135.69
4.3.20.0010.0135.68
4.3.10.0020.0105.66
4.3.00.0030.01113.64

preferences:
56.23 ms | 400 KiB | 5 Q