3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($code){ return 'pa' === strtolower(substr($code, 0, 2)); } var_dump([ 'pa05' => f('pa05'), 'pa08' => f('pa08'), 'c10' => f('c10'), 'test' => f('test'), 'ts' => time(), ]);

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)
7.4.00.0120.00414.88
7.3.120.0050.01414.92
7.3.110.0070.01114.87
7.3.100.0080.00714.48
7.3.90.0080.00714.96
7.3.80.0060.00614.68
7.3.70.0030.00914.70
7.3.60.0070.00614.76
7.3.50.0020.01114.72
7.3.40.0080.00714.69
7.3.30.0120.00314.79
7.3.20.0070.00716.52
7.3.10.0050.00816.58
7.3.00.0070.00816.58
7.2.250.0070.00715.22
7.2.240.0080.01015.12
7.2.230.0080.00915.07
7.2.220.0070.00815.06
7.2.210.0050.01014.91
7.2.200.0110.00214.94
7.2.190.0050.01115.08
7.2.180.0070.00914.87
7.2.170.0100.00515.05
7.2.160.0090.00815.14
7.2.150.0080.00416.79
7.2.140.0030.00716.82
7.2.130.0040.00816.94
7.2.120.0110.00316.80
7.2.110.0060.00316.79
7.2.100.0110.00316.86
7.2.90.0060.00916.84
7.2.80.0110.00416.62
7.2.70.0030.01016.73
7.2.60.0030.00916.96
7.2.50.0000.01516.57
7.2.40.0090.00316.68
7.2.30.0090.00316.71
7.2.20.0030.01016.80
7.2.10.0090.00616.54
7.2.00.0050.01017.77
7.1.330.0100.00515.64
7.1.320.0050.01015.68
7.1.310.0070.00715.88
7.1.300.0070.00815.43
7.1.290.0020.01015.61
7.1.280.0110.00415.76
7.1.270.0080.00515.84
7.1.260.0090.00415.79
7.1.250.0030.00715.61
7.1.240.0070.00315.74
7.1.230.0040.01215.80
7.1.220.0060.01015.91
7.1.210.0080.00515.85
7.1.200.0060.00615.73
7.1.190.0000.01215.79
7.1.180.0040.00415.85
7.1.170.0030.00915.76
7.1.160.0000.01615.89
7.1.150.0040.01115.80
7.1.140.0000.01215.91
7.1.130.0000.01415.73
7.1.120.0000.01515.75
7.1.110.0080.00415.62
7.1.100.0080.00616.94
7.1.90.0030.01015.91
7.1.80.0090.00315.77
7.1.70.0060.00616.31
7.1.60.0080.00917.63
7.1.50.0080.00816.45
7.1.40.0100.00715.84
7.1.30.0060.00615.74
7.1.20.0060.00315.61
7.1.10.0040.00715.83
7.1.00.0050.04219.03
7.0.330.0000.01315.12
7.0.320.0040.00715.26
7.0.310.0110.00615.14
7.0.300.0080.00015.06
7.0.290.0070.00715.50
7.0.280.0030.00615.46
7.0.270.0000.01415.41
7.0.260.0000.01515.17
7.0.250.0100.01015.34
7.0.240.0030.01315.33
7.0.230.0070.00615.28
7.0.220.0040.00815.41
7.0.210.0070.00715.31
7.0.200.0050.00616.01
7.0.190.0040.01115.26
7.0.180.0030.00715.27
7.0.170.0030.00915.37
7.0.160.0080.00015.17
7.0.150.0030.00715.33
7.0.140.0050.04018.66
7.0.130.0030.01015.41
7.0.120.0080.00415.39
7.0.110.0030.00615.09
7.0.100.0270.03817.53
7.0.90.0230.02317.77
7.0.80.0240.04417.68
7.0.70.0160.02817.73
7.0.60.0170.02317.79
7.0.50.0250.04517.95
7.0.40.0020.02416.81
7.0.30.0050.03716.78
7.0.20.0110.03816.56
7.0.10.0080.02916.70
7.0.00.0050.02916.63
5.6.400.0030.00914.21
5.6.390.0100.00714.54
5.6.380.0100.00713.98
5.6.370.0040.01113.89
5.6.360.0030.00814.11
5.6.350.0140.00313.91
5.6.340.0030.00714.21
5.6.330.0070.00713.81
5.6.320.0060.00914.27
5.6.310.0040.01114.23
5.6.300.0000.01214.24
5.6.290.0030.01014.05
5.6.280.0100.03317.67
5.6.270.0090.00014.64
5.6.260.0030.01014.13
5.6.250.0080.03817.34
5.6.240.0120.03917.42
5.6.230.0040.04517.49
5.6.220.0050.02517.38
5.6.210.0090.02017.43
5.6.200.0070.04117.58
5.6.190.0050.04517.71
5.6.180.0100.04017.61
5.6.170.0110.03917.73
5.6.160.0090.04217.55
5.6.150.0080.04117.57
5.6.140.0030.04517.67
5.6.130.0050.04517.64
5.6.120.0030.02717.57
5.6.110.0060.03017.66
5.6.100.0090.04417.55
5.6.90.0010.04617.66
5.6.80.0030.04517.34
5.6.70.0060.03117.29
5.6.60.0120.02817.21
5.6.50.0060.02017.33
5.6.40.0100.03317.29
5.6.30.0020.04417.17
5.6.20.0060.03617.39
5.6.10.0080.04317.28
5.6.00.0080.04117.27
5.5.380.0050.04217.21
5.5.370.0060.04417.38
5.5.360.0030.02617.23
5.5.350.0120.03517.26
5.5.340.0030.03117.55
5.5.330.0050.04317.50
5.5.320.0050.04417.32
5.5.310.0130.03017.36
5.5.300.0100.02717.49
5.5.290.0130.02817.34
5.5.280.0090.04617.54
5.5.270.0100.04017.33
5.5.260.0050.03017.47
5.5.250.0080.04217.41
5.5.240.0050.04217.15
5.5.230.0070.02217.22
5.5.220.0110.03817.19
5.5.210.0020.04917.13
5.5.200.0040.04117.22
5.5.190.0060.03616.99
5.5.180.0080.04417.24
5.5.170.0040.00814.05
5.5.160.0090.03117.06
5.5.150.0050.02917.24
5.5.140.0070.03017.28
5.5.130.0080.03217.08
5.5.120.0050.03317.23
5.5.110.0050.03517.05
5.5.100.0100.03816.98
5.5.90.0050.02317.08
5.5.80.0050.04017.10
5.5.70.0050.03616.84
5.5.60.0100.02317.11
5.5.50.0030.02517.10
5.5.40.0020.02717.11
5.5.30.0080.02516.89
5.5.20.0050.02517.01
5.5.10.0050.02317.01
5.5.00.0080.02017.05
5.4.450.0050.02816.11
5.4.440.0090.02415.96
5.4.430.0000.04116.03
5.4.420.0030.04516.03
5.4.410.0030.03316.04
5.4.400.0030.04215.88
5.4.390.0050.02915.94
5.4.380.0030.02615.88
5.4.370.0140.01615.87
5.4.360.0020.02415.83
5.4.350.0040.04115.88
5.4.340.0080.01815.81
5.4.330.0040.00812.71
5.4.320.0070.03915.88
5.4.310.0000.04115.79
5.4.300.0030.02515.94
5.4.290.0060.04315.88
5.4.280.0030.02415.92
5.4.270.0070.03515.80
5.4.260.0070.02215.93
5.4.250.0050.02315.80
5.4.240.0080.02215.94
5.4.230.0060.03415.90
5.4.220.0030.02715.94
5.4.210.0040.02315.91
5.4.200.0090.02015.91
5.4.190.0050.02215.87
5.4.180.0030.03515.92
5.4.170.0080.02015.87
5.4.160.0020.02315.89
5.4.150.0050.02115.91
5.4.140.0050.02214.57
5.4.130.0090.02314.56
5.4.120.0000.02214.52
5.4.110.0070.02014.61
5.4.100.0040.01914.57
5.4.90.0050.01814.55
5.4.80.0000.03714.54
5.4.70.0060.01814.54
5.4.60.0070.01714.58
5.4.50.0070.01914.50
5.4.40.0000.02214.62
5.4.30.0030.01814.58
5.4.20.0030.01814.53
5.4.10.0020.02114.56
5.4.00.0020.02514.24
5.3.290.0100.07314.69
5.3.280.0100.04314.68
5.3.270.0070.04014.63
5.3.260.0030.03714.66
5.3.250.0030.03714.63
5.3.240.0030.03714.70
5.3.230.0000.04314.53
5.3.220.0000.04714.54
5.3.210.0100.03014.55
5.3.200.0000.05314.54
5.3.190.0070.03314.62
5.3.180.0100.03014.63
5.3.170.0070.03314.57
5.3.160.0030.04714.55
5.3.150.0070.03714.48
5.3.140.0070.03314.60
5.3.130.0000.04014.53
5.3.120.0000.04014.60
5.3.110.0100.04314.51
5.3.100.0000.04314.02
5.3.90.0070.04014.16
5.3.80.0070.03314.10
5.3.70.0100.03014.02
5.3.60.0000.03713.91
5.3.50.0070.03314.09
5.3.40.0030.03713.97
5.3.30.0000.04313.92
5.3.20.0000.03713.79
5.3.10.0070.03013.72
5.3.00.0100.03013.75
5.2.170.0000.03011.03
5.2.160.0000.03011.07
5.2.150.0030.03011.27
5.2.140.0000.03011.12
5.2.130.0030.02711.09
5.2.120.0000.03711.13
5.2.110.0070.02311.03
5.2.100.0070.02311.20
5.2.90.0000.03010.96
5.2.80.0000.03011.14
5.2.70.0000.03010.91
5.2.60.0000.03010.93
5.2.50.0030.02710.93
5.2.40.0000.03010.92
5.2.30.0030.05311.07
5.2.20.0030.02710.95
5.2.10.0000.03310.77
5.2.00.0000.03010.83
5.1.60.0030.02310.55
5.1.50.0030.02310.55
5.1.40.0070.03310.55
5.1.30.0070.04010.55
5.1.20.0070.04010.55
5.1.10.0070.02010.55
5.1.00.0000.02710.55
5.0.50.0030.03710.55
5.0.40.0030.04310.55
5.0.30.0100.05010.55
5.0.20.0000.05010.55
5.0.10.0030.04310.55
5.0.00.0030.03310.55
4.4.90.0070.02310.55
4.4.80.0000.02010.55
4.4.70.0000.01710.55
4.4.60.0000.01710.55
4.4.50.0000.02010.55
4.4.40.0030.02310.55
4.4.30.0030.01310.55
4.4.20.0000.02010.55
4.4.10.0030.03710.55
4.4.00.0100.04310.55
4.3.110.0030.03710.55
4.3.100.0030.03010.55
4.3.90.0000.03310.55
4.3.80.0000.06010.55
4.3.70.0000.03310.55
4.3.60.0130.02310.55
4.3.50.0070.03310.55
4.3.40.0000.05010.55
4.3.30.0000.03010.55
4.3.20.0000.02710.55
4.3.10.0030.01710.55
4.3.00.0000.02010.55

preferences:
33.59 ms | 401 KiB | 5 Q