3v4l.org

run code in 300+ PHP versions simultaneously
<?php $random_key = ''; for( $i = 0; $i <= 64; $i++) { $random_key .= chr(rand(65, 90)); } print strlen($random_key);

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)
7.4.00.0030.01214.73
7.3.120.0040.01414.94
7.3.110.0070.01014.65
7.3.100.0030.01014.75
7.3.90.0070.01014.53
7.3.80.0060.01014.93
7.3.70.0060.01214.61
7.3.60.0040.01214.98
7.3.50.0000.01514.90
7.3.40.0030.01014.59
7.3.30.0070.00714.90
7.3.20.0000.01116.77
7.3.10.0060.00616.73
7.3.00.0030.01016.77
7.2.250.0090.00914.78
7.2.240.0030.01714.92
7.2.230.0080.00815.24
7.2.220.0100.00314.89
7.2.210.0140.00314.95
7.2.200.0060.01214.93
7.2.190.0130.00015.05
7.2.180.0060.00615.01
7.2.170.0030.00615.11
7.1.330.0030.01015.96
7.1.320.0000.00915.63
7.1.310.0090.00615.70
7.1.300.0060.00615.57
7.1.290.0070.00715.99
7.1.280.0040.00715.78
7.1.270.0070.00315.89
7.1.260.0070.00415.81
7.1.70.0030.00517.25
7.1.60.0170.00719.40
7.1.50.0070.01516.87
7.1.00.0000.06022.40
7.0.200.0030.00616.53
7.0.140.0070.06722.09
7.0.100.0400.03020.01
7.0.90.0130.04320.00
7.0.80.0130.03719.90
7.0.70.0100.07019.94
7.0.60.0070.04719.88
7.0.50.0070.04320.41
7.0.40.0030.05320.15
7.0.30.0030.04020.11
7.0.20.0030.04320.13
7.0.10.0030.05720.13
7.0.00.0070.07019.90
5.6.280.0000.07721.02
5.6.250.0070.03720.57
5.6.240.0000.04320.61
5.6.230.0070.03720.52
5.6.220.0030.04020.62
5.6.210.0000.04320.50
5.6.200.0030.04321.03
5.6.190.0100.03320.89
5.6.180.0070.03721.09
5.6.170.0000.07321.00
5.6.160.0130.08020.88
5.6.150.0100.06720.88
5.6.140.0100.06720.90
5.6.130.0070.08021.09
5.6.120.0100.08021.04
5.6.110.0100.05021.15
5.6.100.0070.08021.16
5.6.90.0030.08321.19
5.6.80.0070.06320.61
5.6.70.0130.07020.46
5.6.60.0130.07320.20
5.6.50.0130.07720.41
5.6.40.0070.05320.25
5.6.30.0130.07720.36
5.6.20.0070.07320.32
5.6.10.0000.07720.29
5.6.00.0070.07720.41
5.5.380.0070.04720.23
5.5.370.0000.04320.18
5.5.360.0000.04320.41
5.5.350.0100.05720.38
5.5.340.0100.03320.64
5.5.330.0000.04320.79
5.5.320.0030.04020.79
5.5.310.0000.04320.93
5.5.300.0030.08020.75
5.5.290.0200.06720.96
5.5.280.0100.07720.89
5.5.270.0030.08720.91
5.5.260.0130.06020.84
5.5.250.0070.08320.71
5.5.240.0070.07320.20
5.5.230.0070.08020.31
5.5.220.0070.08020.20
5.5.210.0100.08020.07
5.5.200.0070.07720.11
5.5.190.0070.07720.10
5.5.180.0300.02720.25
5.5.160.0170.07020.31
5.5.150.0170.07320.20
5.5.140.0070.06720.18
5.5.130.0170.06320.04
5.5.120.0100.07719.99
5.5.110.0030.07720.32
5.5.100.0070.06720.00
5.5.90.0030.08720.13
5.5.80.0100.07319.94
5.5.70.0030.07720.00
5.5.60.0030.05020.04
5.5.50.0100.06720.07
5.5.40.0070.04720.04
5.5.30.0030.08020.06
5.5.20.0030.07720.03
5.5.10.0000.04720.12
5.5.00.0000.08320.11
5.4.450.0030.08719.35
5.4.440.0070.08019.35
5.4.430.0070.07019.42
5.4.420.0070.08019.27
5.4.410.0030.08019.19
5.4.400.0100.07318.98
5.4.390.0030.05019.18
5.4.380.0030.05019.12
5.4.370.0030.08018.97
5.4.360.0070.06719.12
5.4.350.0070.07019.03
5.4.340.0000.07718.91
5.4.320.0100.06719.06
5.4.310.0130.07019.01
5.4.300.0070.07019.00
5.4.290.0030.04719.11
5.4.280.0100.07719.10
5.4.270.0100.07019.03
5.4.260.0070.04719.00
5.4.250.0030.07319.00
5.4.240.0100.06319.24
5.4.230.0070.06319.26
5.4.220.0100.07319.17
5.4.210.0070.07019.02
5.4.200.0030.07019.00
5.4.190.0030.07319.16
5.4.180.0000.06318.97
5.4.170.0130.05718.97
5.4.160.0070.07718.90
5.4.150.0000.05319.27
5.4.140.0100.04016.50
5.4.130.0100.06016.43
5.4.120.0070.07016.16
5.4.110.0130.07016.50
5.4.100.0130.07016.37
5.4.90.0070.06716.23
5.4.80.0030.07016.34
5.4.70.0030.07716.22
5.4.60.0070.07016.21
5.4.50.0130.03716.50
5.4.40.0070.07316.21
5.4.30.0100.07016.25
5.4.20.0030.07716.20
5.4.10.0070.04316.49
5.4.00.0030.06015.95
5.3.290.0100.06314.57
5.3.280.0030.08014.67
5.3.270.0070.08014.51
5.3.260.0000.08014.66
5.3.250.0000.08014.45
5.3.240.0030.06314.50
5.3.230.0200.06314.54
5.3.220.0070.07714.63
5.3.210.0070.07014.49
5.3.200.0070.07714.43
5.3.190.0000.07314.44
5.3.180.0000.08014.43
5.3.170.0070.06714.38
5.3.160.0000.07714.62
5.3.150.0070.06314.45
5.3.140.0070.04314.44
5.3.130.0000.07314.37
5.3.120.0030.07314.48
5.3.110.0030.07714.45
5.3.100.0030.04713.88
5.3.90.0100.06713.87
5.3.80.0000.08714.07
5.3.70.0070.04013.95
5.3.60.0000.07013.82
5.3.50.0070.06713.88
5.3.40.0100.07013.80
5.3.30.0070.06313.76
5.3.20.0100.06713.70
5.3.10.0100.06313.66
5.3.00.0030.07713.46
5.2.170.0030.05311.31
5.2.160.0030.04711.30
5.2.150.0000.05311.10
5.2.140.0030.06311.06
5.2.130.0030.06010.99
5.2.120.0030.04011.11
5.2.110.0100.06011.04
5.2.100.0030.06011.00
5.2.90.0070.06311.04
5.2.80.0030.04711.09
5.2.70.0030.05711.11
5.2.60.0030.06310.93
5.2.50.0030.06311.01
5.2.40.0100.05010.95
5.2.30.0030.06010.90
5.2.20.0130.05310.95
5.2.10.0000.05310.93
5.2.00.0070.05310.79
5.1.60.0000.05710.06
5.1.50.0030.04710.06
5.1.40.0030.0579.97
5.1.30.0000.06710.45
5.1.20.0070.02710.32
5.1.10.0070.0439.89
5.1.00.0030.05310.25
5.0.50.0070.0438.60
5.0.40.0030.0478.36
5.0.30.0030.0638.18
5.0.20.0030.0378.20
5.0.10.0070.0408.16
5.0.00.0030.0538.40
4.4.90.0100.0306.16
4.4.80.0000.0406.16
4.4.70.0000.0336.16
4.4.60.0000.0376.16
4.4.50.0000.0376.16
4.4.40.0030.0406.16
4.4.30.0030.0276.16
4.4.20.0000.0376.16
4.4.10.0000.0376.16
4.4.00.0000.0576.16
4.3.110.0030.0336.16
4.3.100.0030.0336.16
4.3.90.0000.0376.16
4.3.80.0000.0576.16
4.3.70.0000.0376.16
4.3.60.0070.0306.16
4.3.50.0000.0336.16
4.3.40.0030.0506.16
4.3.30.0000.0336.16
4.3.20.0070.0306.16
4.3.10.0000.0406.16
4.3.00.0030.0336.16

preferences:
42.4 ms | 401 KiB | 5 Q