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(0,63),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)
7.4.10.0060.00614.60
7.4.00.0090.00915.07
7.3.130.0060.01314.80
7.3.120.0090.00914.70
7.3.110.0100.00714.46
7.3.100.0060.00614.80
7.3.90.0030.01015.01
7.3.80.0060.00915.07
7.3.70.0040.01114.72
7.3.60.0040.01114.53
7.3.50.0060.00714.89
7.3.40.0030.01014.85
7.3.30.0090.00614.57
7.3.20.0000.01016.71
7.3.10.0000.01716.52
7.3.00.0060.01016.46
7.2.260.0070.01114.81
7.2.250.0060.00915.23
7.2.240.0090.00614.73
7.2.230.0000.00915.04
7.2.220.0080.00814.67
7.2.210.0060.00914.67
7.2.200.0030.01414.97
7.2.190.0060.00914.93
7.2.180.0070.00714.97
7.2.170.0040.01115.10
7.2.160.0030.01015.04
7.2.150.0060.00916.81
7.2.140.0040.01116.81
7.2.130.0000.01416.95
7.2.120.0030.00916.99
7.2.110.0070.01016.54
7.2.100.0040.01116.98
7.2.90.0030.00716.91
7.2.80.0030.00916.90
7.2.70.0160.00017.09
7.2.60.0100.00316.88
7.2.50.0080.00817.07
7.2.40.0070.00416.68
7.2.30.0030.01016.93
7.2.20.0070.00617.03
7.2.10.0030.01416.65
7.2.00.0000.01116.81
7.1.330.0070.01015.91
7.1.320.0110.00715.61
7.1.310.0030.01415.88
7.1.300.0030.00715.61
7.1.290.0060.00615.75
7.1.280.0000.00815.60
7.1.270.0110.00315.85
7.1.260.0070.00715.49
7.1.250.0040.00915.49
7.1.240.0040.00815.44
7.1.230.0000.01315.64
7.1.220.0040.01115.77
7.1.210.0030.00715.74
7.1.200.0030.01015.52
7.1.190.0090.00615.48
7.1.180.0080.00415.58
7.1.170.0070.00715.71
7.1.160.0060.00915.77
7.1.150.0000.01215.48
7.1.140.0110.00315.56
7.1.130.0030.01015.86
7.1.120.0030.01215.92
7.1.110.0030.01315.86
7.1.100.0030.00815.75
7.1.90.0030.01015.83
7.1.80.0080.00315.59
7.1.70.0070.00516.49
7.1.60.0090.01117.67
7.1.50.0060.01016.39
7.1.40.0110.00315.73
7.1.30.0160.00015.94
7.1.20.0030.00615.87
7.1.10.0000.01215.78
7.1.00.0110.03419.13
7.0.330.0100.00315.11
7.0.320.0040.01115.16
7.0.310.0100.00315.12
7.0.300.0040.01115.37
7.0.290.0060.01015.27
7.0.280.0000.01615.51
7.0.270.0040.00414.99
7.0.260.0060.00915.19
7.0.250.0030.01015.36
7.0.240.0030.00815.47
7.0.230.0070.00715.18
7.0.220.0000.01015.16
7.0.210.0000.01515.41
7.0.200.0040.00416.13
7.0.190.0030.00915.38
7.0.180.0030.00915.39
7.0.170.0110.00415.30
7.0.160.0000.00715.55
7.0.150.0000.00915.37
7.0.140.0050.04318.62
7.0.130.0090.00315.51
7.0.120.0030.00915.29
7.0.110.0070.00715.45
7.0.100.0040.00815.47
7.0.90.0100.00715.34
7.0.80.0030.00915.46
7.0.70.0000.01115.37
7.0.60.0130.04118.60
7.0.50.0060.03516.75
7.0.40.0070.03516.92
7.0.30.0160.03316.76
7.0.20.0160.04016.64
7.0.10.0080.04716.77
7.0.00.0050.04116.75
5.6.400.0060.00614.11
5.6.390.0040.00814.51
5.6.380.0030.01313.80
5.6.370.0000.01514.09
5.6.360.0100.00714.30
5.6.350.0060.00914.36
5.6.340.0040.01114.68
5.6.330.0000.01314.54
5.6.320.0000.01214.54
5.6.310.0030.01014.44
5.6.300.0030.00614.32
5.6.290.0000.01414.51
5.6.280.0060.03817.59
5.6.270.0070.00314.30
5.6.260.0030.01214.09
5.6.250.0000.00914.46
5.6.240.0040.00414.18
5.6.230.0090.00614.39
5.6.220.0030.00614.55
5.6.210.0050.04317.38
5.6.200.0050.04516.15
5.6.190.0050.04417.47
5.6.180.0190.03317.28
5.6.170.0150.04217.36
5.6.160.0080.03317.27
5.6.150.0070.02816.30
5.6.140.0060.03316.46
5.6.130.0130.03016.22
5.6.120.0060.02117.65
5.6.110.0080.04517.75
5.6.100.0060.02317.54
5.6.90.0050.04617.57
5.6.80.0090.03317.26
5.6.70.0040.01114.15
5.6.60.0090.00313.91
5.6.50.0040.01214.55
5.6.40.0070.00414.16
5.6.30.0070.00414.46
5.6.20.0040.00414.00
5.6.10.0060.00914.41
5.6.00.0120.00014.46
5.5.380.0080.00414.20
5.5.370.0160.00014.39
5.5.360.0030.00714.05
5.5.350.0180.04117.22
5.5.340.0060.02016.17
5.5.330.0070.03817.46
5.5.320.0160.02017.21
5.5.310.0180.03817.33
5.5.300.0070.02216.16
5.5.290.0100.03016.25
5.5.280.0070.02717.33
5.5.270.0050.02517.42
5.5.260.0050.02317.56
5.5.250.0090.04617.49
5.5.240.0140.01617.09
5.5.230.0090.00614.22
5.5.220.0030.00614.17
5.5.210.0070.00714.29
5.5.200.0040.00413.97
5.5.190.0040.00414.17
5.5.180.0000.01013.98
5.5.170.0040.00814.29
5.5.160.0070.01014.30
5.5.150.0090.00614.06
5.5.140.0100.00314.30
5.5.130.0030.00914.38
5.5.120.0080.00814.21
5.5.110.0000.00914.15
5.5.100.0040.01114.06
5.5.90.0070.00714.16
5.5.80.0090.00614.01
5.5.70.0030.00614.04
5.5.60.0030.01014.44
5.5.50.0110.00414.16
5.5.40.0070.00714.16
5.5.30.0120.00014.34
5.5.20.0040.00714.25
5.5.10.0040.00814.16
5.5.00.0070.00713.95
5.4.450.1950.02415.12
5.4.440.2000.02515.21
5.4.430.2030.01815.12
5.4.420.2110.02415.25
5.4.410.2050.02115.07
5.4.400.2130.02314.79
5.4.390.2100.02014.92
5.4.380.2230.02714.86
5.4.370.2180.01714.94
5.4.360.2400.01915.03
5.4.350.1800.02314.95
5.4.340.1900.02614.82
5.4.330.0040.00410.95
5.4.320.1870.02015.05
5.4.310.2200.02214.84
5.4.300.1900.01814.82
5.4.290.1950.02515.02
5.4.280.2380.02115.00
5.4.270.2350.02315.01
5.4.260.2170.02214.91
5.4.250.2170.02415.15
5.4.240.2320.02515.09
5.4.230.2320.02015.07
5.4.220.2400.01914.88
5.4.210.2400.02214.89
5.4.200.1880.02214.71
5.4.190.2350.02514.89
5.4.180.2000.02414.92
5.4.170.2100.01515.07
5.4.160.2130.01815.05
5.4.150.2100.02114.89
5.4.140.1900.02513.69
5.4.130.1900.01713.63
5.4.120.1970.02013.70
5.4.110.1830.02413.54
5.4.100.2360.02013.55
5.4.90.1830.02113.60
5.4.80.1880.01713.76
5.4.70.1900.02013.56
5.4.60.0880.02313.52
5.4.50.0270.01213.67
5.4.40.1830.02413.62
5.4.30.2040.01913.70
5.4.20.2270.02213.69
5.4.10.2180.02513.59
5.4.00.2350.02213.48
5.3.290.2050.02512.52
5.3.280.2380.02212.43
5.3.270.2480.02812.56
5.3.260.2400.02212.55
5.3.250.2140.02212.54
5.3.240.2050.02212.54
5.3.230.1780.02212.55
5.3.220.1940.02012.41
5.3.210.2170.02212.44
5.3.200.2170.02312.40
5.3.190.1870.01812.47
5.3.180.1850.02512.48
5.3.170.1870.01812.45
5.3.160.0020.02412.37
5.3.150.0030.02112.45
5.3.140.1880.02012.57
5.3.130.2080.02512.44
5.3.120.1820.02612.37
5.3.110.2370.02012.37
5.3.100.2180.02312.23
5.3.90.2350.02512.23
5.3.80.2200.02012.14
5.3.70.2360.02112.01
5.3.60.2350.02212.19
5.3.50.2250.02012.05
5.3.40.0060.03112.06
5.3.30.0030.04012.05
5.3.20.2150.02411.88
5.3.10.2300.02411.89
5.3.00.2430.02611.86
5.2.170.3730.02011.09
5.2.160.3970.02711.07
5.2.150.0100.05711.15
5.2.140.0900.05711.07
5.2.130.3100.03311.00
5.2.120.4100.03011.03
5.2.110.4070.03710.94
5.2.100.3670.03011.03
5.2.90.3530.02711.18
5.2.80.3170.03011.19
5.2.70.4170.03711.06
5.2.60.3970.03011.03
5.2.50.3600.03011.04
5.2.40.3170.02711.14
5.2.30.3370.02310.96
5.2.20.3030.03010.88
5.2.10.3300.02310.93
5.2.00.3230.03010.74
5.1.60.3200.0239.89
5.1.50.3070.02310.05
5.1.40.2770.0279.97
5.1.30.2900.03010.34
5.1.20.3070.02310.30
5.1.10.3570.0279.90
5.1.00.3130.02710.13
5.0.50.1500.0208.53
5.0.40.1800.0278.35
5.0.30.1900.0278.20
5.0.20.1600.0208.21
5.0.10.1700.0278.13
5.0.00.1570.0238.13
4.4.90.1800.0205.97
4.4.80.1600.0175.97
4.4.70.1830.0175.97
4.4.60.1800.0135.97
4.4.50.1870.0175.97
4.4.40.1870.0235.97
4.4.30.1530.0135.97
4.4.20.1830.0175.97
4.4.10.1700.0135.97
4.4.00.1530.0205.97
4.3.110.1500.0235.97
4.3.100.1670.0175.97
4.3.90.1600.0135.97
4.3.80.1800.0235.97
4.3.70.1730.0175.97
4.3.60.1500.0135.97
4.3.50.1570.0075.97
4.3.40.1570.0205.97
4.3.30.1030.0175.97
4.3.20.1000.0175.97
4.3.10.0900.0205.97
4.3.00.0970.0235.97

preferences:
32.16 ms | 401 KiB | 5 Q