3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(base_convert(uniqid(), 7, 10));

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)
7.4.00.0030.01514.79
7.3.120.0070.00914.74
7.3.110.0070.01014.49
7.3.100.0090.00514.55
7.3.90.0080.00614.68
7.3.80.0020.01214.70
7.3.70.0030.01014.54
7.3.60.0070.00714.49
7.3.50.0100.00314.62
7.3.40.0030.01314.60
7.3.30.0060.00614.70
7.3.20.0080.00516.64
7.3.10.0060.00616.34
7.3.00.0030.00916.41
7.2.250.0100.01014.67
7.2.240.0070.01214.68
7.2.230.0100.00514.82
7.2.220.0030.01114.98
7.2.210.0040.01214.87
7.2.200.0060.00914.81
7.2.190.0040.00814.79
7.2.180.0070.00714.59
7.2.170.0050.00614.89
7.2.160.0060.00614.96
7.2.150.0070.00716.46
7.2.140.0060.00616.52
7.2.130.0030.00916.40
7.2.120.0000.01516.73
7.2.110.0090.00316.82
7.2.100.0120.00616.82
7.2.90.0060.00616.82
7.2.80.0110.00316.40
7.2.70.0090.00616.88
7.2.60.0090.00616.58
7.2.50.0110.00316.50
7.2.40.0120.00616.61
7.2.30.0070.00716.48
7.2.20.0130.00316.69
7.2.10.0100.00716.80
7.2.00.0070.00717.91
7.1.330.0030.01315.51
7.1.320.0030.01215.71
7.1.310.0040.01215.76
7.1.300.0080.00815.59
7.1.290.0070.00715.45
7.1.280.0080.00615.58
7.1.270.0080.00715.68
7.1.260.0050.00915.45
7.1.250.0060.00915.27
7.1.70.0000.00816.88
7.1.60.0070.01019.40
7.1.50.0120.01216.88
7.1.00.0000.07322.40
7.0.200.0030.00716.55
7.0.140.0070.07021.96
7.0.90.0300.08019.92
7.0.80.0270.07320.02
7.0.70.0030.09019.98
7.0.60.0030.04319.88
7.0.50.0400.05720.25
7.0.40.0000.06720.14
7.0.30.0000.04720.13
7.0.20.0070.04020.05
7.0.10.0030.03320.11
7.0.00.0070.04320.09
5.6.280.0070.07021.09
5.6.230.0070.07020.51
5.6.220.0100.03720.72
5.6.210.0070.06020.43
5.6.200.0070.07321.11
5.6.190.0100.08321.02
5.6.180.0070.05020.94
5.6.170.0030.04321.01
5.6.160.0100.02721.13
5.6.150.0030.04021.13
5.6.140.0030.05021.02
5.6.130.0070.04320.94
5.6.120.0030.04321.12
5.6.110.0030.03720.98
5.6.100.0000.03721.02
5.6.90.0070.05020.92
5.6.80.0030.04020.44
5.6.70.0030.04320.51
5.6.60.0070.03720.47
5.6.50.0030.04020.43
5.6.40.0030.03320.30
5.6.30.0000.03720.37
5.6.20.0000.04020.46
5.6.10.0070.03020.44
5.6.00.0000.05020.44
5.5.370.0030.04720.56
5.5.360.0070.07720.40
5.5.350.0070.08020.36
5.5.340.0130.07720.86
5.5.330.0100.07020.91
5.5.320.0070.04020.88
5.5.310.0070.04020.92
5.5.300.0100.03720.91
5.5.290.0100.03320.85
5.5.280.0000.04320.78
5.5.270.0000.03720.86
5.5.260.0100.04020.79
5.5.250.0030.04320.54
5.5.240.0030.04320.21
5.5.230.0030.03720.09
5.5.220.0000.03720.27
5.5.210.0070.03020.29
5.5.200.0030.04020.22
5.5.190.0100.03320.27
5.5.180.0070.04020.26
5.5.160.0030.04020.12
5.5.150.0070.03720.21
5.5.140.0100.03320.16
5.5.130.0070.03020.20
5.5.120.0130.03020.25
5.5.110.0100.03720.22
5.5.100.0070.04320.08
5.5.90.0130.03320.07
5.5.80.0000.05720.00
5.5.70.0000.06020.05
5.5.60.0200.05720.02
5.5.50.0030.08020.09
5.5.40.0030.07320.07
5.5.30.0070.04320.14
5.5.20.0030.05319.98
5.5.10.0130.07319.97
5.5.00.0070.04720.07
5.4.450.0070.03319.27
5.4.440.0000.04719.32
5.4.430.0030.03319.30
5.4.420.0130.04719.22
5.4.410.0100.03319.14
5.4.400.0000.03718.96
5.4.390.0100.03719.05
5.4.380.0030.03318.94
5.4.370.0170.02319.09
5.4.360.0000.04318.81
5.4.350.0030.03719.05
5.4.340.0030.04019.11
5.4.320.0100.02719.04
5.4.310.0070.03319.05
5.4.300.0030.03718.94
5.4.290.0030.03719.02
5.4.280.0030.03318.96
5.4.270.0000.03319.11
5.4.260.0070.03319.11
5.4.250.0030.03319.02
5.4.240.0000.07719.23
5.4.230.0070.04719.11
5.4.220.0070.07319.02
5.4.210.0130.03718.95
5.4.200.0100.05719.06
5.4.190.0100.07718.89
5.4.180.0070.07019.05
5.4.170.0130.05019.11
5.4.160.0100.07019.04
5.4.150.0130.07018.92
5.4.140.0100.07716.29
5.4.130.0030.07016.30
5.4.120.0170.06716.31
5.4.110.0100.06716.22
5.4.100.0100.06316.21
5.4.90.0000.06716.45
5.4.80.0030.03716.43
5.4.70.0130.06316.29
5.4.60.0000.08316.18
5.4.50.0070.06716.35
5.4.40.0070.07716.43
5.4.30.0070.03716.29
5.4.20.0070.06316.18
5.4.10.0100.06716.31
5.4.00.0030.04715.70
5.3.290.0000.04014.52
5.3.280.0100.07014.50
5.3.270.0100.07314.42
5.3.260.0130.07014.56
5.3.250.0100.07014.54
5.3.240.0130.06314.59
5.3.230.0100.07314.44
5.3.220.0070.06314.53
5.3.210.0330.04314.57
5.3.200.0070.04014.51
5.3.190.0100.07014.42
5.3.180.0070.07014.41
5.3.170.0000.08714.54
5.3.160.0030.07014.38
5.3.150.0170.03314.41
5.3.140.0070.07314.48
5.3.130.0100.06014.50
5.3.120.0100.04714.50
5.3.110.0030.05014.40
5.3.100.0030.08013.94
5.3.90.0070.05714.01
5.3.80.0000.05313.77
5.3.70.0130.07713.87
5.3.60.0100.07313.86
5.3.50.0070.04013.79
5.3.40.0070.07713.84
5.3.30.0170.06313.89
5.3.20.0030.04013.72
5.3.10.0070.07313.72
5.3.00.0070.05313.72
5.2.170.0100.06013.72
5.2.160.0100.05713.72
5.2.150.0000.04313.72
5.2.140.0000.04313.72
5.2.130.0030.06313.72
5.2.120.0030.06013.72
5.2.110.0000.07013.72
5.2.100.0070.05713.72
5.2.90.0100.05313.72
5.2.80.0130.05013.72
5.2.70.0070.06313.72
5.2.60.0030.05713.72
5.2.50.0030.06313.72
5.2.40.0100.04313.72
5.2.30.0070.05013.72
5.2.20.0100.04013.72
5.2.10.0100.05713.72
5.2.00.0070.06013.72
5.1.60.0070.05313.72
5.1.50.0100.05013.72
5.1.40.0000.05713.72
5.1.30.0170.04013.72
5.1.20.0130.04013.72
5.1.10.0000.03313.72
5.1.00.0000.03313.72
5.0.50.0000.04713.72
5.0.40.0030.03013.72
5.0.30.0070.06013.72
5.0.20.0100.02713.72
5.0.10.0070.04313.72
5.0.00.0070.07013.72
4.4.90.0030.03713.72
4.4.80.0030.03713.72
4.4.70.0030.03713.72
4.4.60.0070.02313.72
4.4.50.0000.03713.72
4.4.40.0030.05013.72
4.4.30.0000.04013.72
4.4.20.0000.02013.72
4.4.10.0000.03713.72
4.4.00.0030.05313.72
4.3.110.0000.03713.72
4.3.100.0000.02313.72
4.3.90.0000.03013.72
4.3.80.0000.05713.72
4.3.70.0070.02713.72
4.3.60.0000.02713.72
4.3.50.0070.03013.72
4.3.40.0030.05313.72
4.3.30.0000.03713.72
4.3.20.0030.03313.72
4.3.10.0070.03013.72
4.3.00.0030.03313.72

preferences:
37.53 ms | 401 KiB | 5 Q