3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($x=0,$a=null;$x<80;$x++) { $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; $a .= substr($chars,mt_rand(0,61),1); } echo $a;

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)
7.4.00.0090.00914.64
7.3.120.0120.00614.70
7.3.110.0030.01514.97
7.3.100.0100.01014.84
7.3.90.0040.01114.92
7.3.80.0150.00014.88
7.3.70.0030.00714.73
7.3.60.0090.00614.76
7.3.50.0120.00614.63
7.3.40.0000.01114.55
7.3.30.0070.00714.61
7.3.20.0080.00516.71
7.3.10.0030.01016.65
7.3.00.0030.01416.64
7.2.250.0000.01915.13
7.2.240.0100.00714.90
7.2.230.0000.01515.16
7.2.220.0090.00615.01
7.2.210.0060.00315.26
7.2.200.0030.00915.16
7.2.190.0000.01615.08
7.2.180.0060.00615.20
7.2.170.0090.00615.14
7.2.160.0040.01215.07
7.2.150.0100.01016.85
7.2.140.0090.00616.86
7.2.130.0040.01416.98
7.2.120.0090.00016.75
7.2.110.0060.00316.88
7.2.100.0040.01416.82
7.2.90.0090.00616.80
7.2.80.0090.00616.98
7.2.70.0000.01616.87
7.2.60.0040.00416.95
7.2.50.0030.00917.08
7.2.40.0080.00816.74
7.2.30.0060.00316.82
7.2.20.0030.01016.83
7.2.10.0000.01116.97
7.2.00.0070.00618.09
7.1.330.0100.00315.87
7.1.320.0040.01215.88
7.1.310.0070.00715.76
7.1.300.0070.01015.73
7.1.290.0080.00415.81
7.1.280.0000.01215.77
7.1.270.0150.00015.61
7.1.260.0090.00615.89
7.1.250.0040.00715.82
7.1.240.0030.01015.86
7.1.230.0070.00715.70
7.1.220.0060.01215.55
7.1.210.0000.00915.73
7.1.200.0080.00515.87
7.1.190.0030.01015.83
7.1.180.0060.00615.79
7.1.170.0070.00315.93
7.1.160.0080.00315.68
7.1.150.0030.00615.88
7.1.140.0040.01115.87
7.1.130.0000.00915.68
7.1.120.0030.01015.82
7.1.110.0060.01215.87
7.1.100.0040.00815.74
7.1.90.0070.00415.95
7.1.80.0050.00815.79
7.1.70.0020.01016.59
7.1.60.0020.01717.50
7.1.50.0060.01116.50
7.1.40.0090.00615.63
7.1.30.0060.00615.79
7.1.20.0100.00615.93
7.1.10.0030.01315.84
7.1.00.0070.03819.03
7.0.330.0070.00715.12
7.0.320.0000.01315.43
7.0.310.0030.00915.34
7.0.300.0000.00815.37
7.0.290.0040.00415.54
7.0.280.0040.00715.34
7.0.270.0040.00415.62
7.0.260.0040.01115.32
7.0.250.0040.00415.61
7.0.240.0090.00315.22
7.0.230.0000.01015.50
7.0.220.0000.01015.18
7.0.210.0040.00715.61
7.0.200.0070.00416.06
7.0.190.0030.01015.43
7.0.180.0070.00715.22
7.0.170.0100.00315.56
7.0.160.0060.00915.32
7.0.150.0080.00815.55
7.0.140.0080.03718.56
7.0.130.0110.00315.50
7.0.120.0030.01015.50
7.0.110.0100.00015.52
7.0.100.0070.00715.35
7.0.90.0060.00315.65
7.0.80.0000.01415.25
7.0.70.0030.00615.27
7.0.60.0050.04317.59
7.0.50.0030.02716.74
7.0.40.0040.04115.51
7.0.30.0020.04915.62
7.0.20.0070.03015.63
7.0.10.0050.03015.43
7.0.00.0100.02415.55
5.6.400.0040.01214.25
5.6.390.0000.01314.01
5.6.380.0000.00814.33
5.6.370.0070.00314.09
5.6.360.0070.00713.96
5.6.350.0030.00614.35
5.6.340.0040.00914.56
5.6.330.0030.00914.18
5.6.320.0060.01014.69
5.6.310.0000.01114.73
5.6.300.0120.00314.39
5.6.290.0030.01014.38
5.6.280.0070.03717.63
5.6.270.0030.01314.09
5.6.260.0070.01014.19
5.6.250.0120.00314.56
5.6.240.0070.00314.20
5.6.230.0090.00614.29
5.6.220.0070.00414.30
5.6.210.0060.02517.36
5.6.200.0080.03516.24
5.6.190.0050.02516.25
5.6.180.0050.04416.17
5.6.170.0100.04216.28
5.6.160.0070.02316.22
5.6.150.0050.02316.28
5.6.140.0050.04516.33
5.6.130.0040.04816.19
5.6.120.0070.04416.20
5.6.110.0070.02516.19
5.6.100.0070.02816.28
5.6.90.0080.04016.12
5.6.80.0070.04315.78
5.6.70.0070.04215.80
5.6.60.0030.04815.87
5.6.50.0080.02515.77
5.6.40.0100.04215.96
5.6.30.0120.03815.87
5.6.20.0050.04015.82
5.6.10.0070.03015.99
5.6.00.0020.02815.83
5.5.380.0060.00914.31
5.5.370.0070.00714.23
5.5.360.0030.01014.41
5.5.350.0180.03417.40
5.5.340.0020.05216.16
5.5.330.0080.02316.15
5.5.320.0050.03816.20
5.5.310.0050.04516.21
5.5.300.0130.02816.03
5.5.290.0060.04316.23
5.5.280.0050.04116.22
5.5.270.0070.03016.08
5.5.260.0030.05016.10
5.5.250.0080.04216.10
5.5.240.0070.03815.78
5.5.230.0050.02715.77
5.5.220.0070.04015.75
5.5.210.0060.04315.92
5.5.200.0070.03515.83
5.5.190.0090.04015.92
5.5.180.0030.04515.71
5.5.170.0080.00414.50
5.5.160.0030.04515.84
5.5.150.0070.04415.84
5.5.140.0050.02515.69
5.5.130.0080.02815.80
5.5.120.0070.02115.70
5.5.110.0050.02615.90
5.5.100.0050.03115.79
5.5.90.0050.02815.70
5.5.80.0070.02215.71
5.5.70.0050.04215.78
5.5.60.0050.04215.66
5.5.50.0020.04615.56
5.5.40.0130.03315.81
5.5.30.0140.03015.81
5.5.20.0070.04115.79
5.5.10.0080.04515.75
5.5.00.0050.03215.52
5.4.450.0070.03616.09
5.4.440.0050.02516.04
5.4.430.0070.04515.99
5.4.420.0090.03415.97
5.4.410.0080.04215.97
5.4.400.0090.03415.88
5.4.390.0070.04315.88
5.4.380.0080.01815.82
5.4.370.0050.04015.86
5.4.360.0070.04015.79
5.4.350.0080.03815.92
5.4.340.0070.03915.79
5.4.330.0060.00612.64
5.4.320.0070.04515.79
5.4.310.0080.01815.80
5.4.300.0050.02215.81
5.4.290.0070.03015.79
5.4.280.0020.02415.81
5.4.270.0070.04315.81
5.4.260.0050.03315.83
5.4.250.0100.03315.79
5.4.240.0080.03815.80
5.4.230.0030.04015.86
5.4.220.0030.02715.83
5.4.210.0030.04215.87
5.4.200.0030.02515.81
5.4.190.0050.04215.82
5.4.180.0030.04015.88
5.4.170.0080.03615.80
5.4.160.0080.04215.76
5.4.150.0090.03315.84
5.4.140.0050.02314.46
5.4.130.0080.03714.49
5.4.120.0040.02714.49
5.4.110.0100.01714.51
5.4.100.0070.02014.52
5.4.90.0030.02014.45
5.4.80.0000.02214.53
5.4.70.0100.01714.51
5.4.60.0080.03514.52
5.4.50.0030.02314.45
5.4.40.0000.03414.53
5.4.30.0030.02114.51
5.4.20.0030.02114.43
5.4.10.0060.01814.44
5.4.00.0030.01914.29
5.3.290.0080.04213.58
5.3.280.0020.03413.61
5.3.270.0080.04213.60
5.3.260.0030.04413.59
5.3.250.0070.03813.53
5.3.240.0020.04313.57
5.3.230.0060.04113.54
5.3.220.0020.03313.64
5.3.210.0030.02013.58
5.3.200.0070.01713.58
5.3.190.0020.02213.58
5.3.180.0030.02213.59
5.3.170.0020.02713.53
5.3.160.0060.03213.58
5.3.150.0120.03313.56
5.3.140.0030.03113.50
5.3.130.0010.02313.56
5.3.120.0030.02313.48
5.3.110.0030.03313.57
5.3.100.0060.02013.31
5.3.90.0020.02213.30
5.3.80.0090.01713.30
5.3.70.0070.01813.31
5.3.60.0060.01813.29
5.3.50.0050.02013.20
5.3.40.0050.02113.25
5.3.30.0050.02013.18
5.3.20.0040.01813.13
5.3.10.0000.02313.13
5.3.00.0030.02013.12
5.2.170.0000.03011.12
5.2.160.0000.03011.05
5.2.150.0030.03310.98
5.2.140.0030.02711.13
5.2.130.0000.03011.07
5.2.120.0030.03311.09
5.2.110.0000.03711.10
5.2.100.0000.03011.09
5.2.90.0000.03011.07
5.2.80.0100.02311.09
5.2.70.0070.04010.87
5.2.60.0000.03010.99
5.2.50.0030.04710.90
5.2.40.0030.05710.94
5.2.30.0000.04010.86
5.2.20.0100.05310.99
5.2.10.0070.04710.89
5.2.00.0070.05710.56
5.1.60.0070.05010.02
5.1.50.0000.0339.82
5.1.40.0030.03010.04
5.1.30.0030.03310.33
5.1.20.0000.03710.31
5.1.10.0200.02010.11
5.1.00.0100.04010.04
5.0.50.0030.0378.59
5.0.40.0030.0478.37
5.0.30.0100.0578.27
5.0.20.0000.0438.26
5.0.10.0030.0478.37
5.0.00.0000.0478.20
4.4.90.0000.0177.95
4.4.80.0000.0137.95
4.4.70.0070.0337.95
4.4.60.0070.0207.95
4.4.50.0000.0377.95
4.4.40.0030.0577.95
4.4.30.0070.0307.95
4.4.20.0000.0407.95
4.4.10.0070.0237.95
4.4.00.0070.0537.95
4.3.110.0030.0237.95
4.3.100.0000.0207.95
4.3.90.0030.0337.95
4.3.80.0000.0607.95
4.3.70.0070.0337.95
4.3.60.0000.0307.95
4.3.50.0030.0337.95
4.3.40.0000.0507.95
4.3.30.0030.0337.95
4.3.20.0070.0207.95
4.3.10.0000.0407.95
4.3.00.0070.0307.95

preferences:
35.35 ms | 401 KiB | 5 Q