3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(uniqid() === uniqid());

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)
7.3.20.0530.00714.61
7.3.10.0410.00314.57
7.3.00.0280.01314.65
7.2.150.0500.00314.95
7.2.140.0570.00014.80
7.2.130.0460.00714.97
7.2.120.0320.00614.88
7.2.110.0460.00715.08
7.2.100.0420.00014.68
7.2.90.0420.00314.98
7.2.80.0400.00314.99
7.2.70.0490.01014.77
7.2.60.1030.00914.96
7.2.50.0480.00314.85
7.2.40.0420.01015.10
7.2.30.0520.00314.75
7.2.20.0550.01014.61
7.2.10.0440.00014.87
7.2.00.0410.01014.88
7.1.250.0430.01013.85
7.1.240.0580.01013.73
7.1.230.0450.00313.70
7.1.220.0560.01013.36
7.1.210.0430.00713.36
7.1.200.0310.00913.52
7.1.190.0570.01313.56
7.1.180.0440.00713.63
7.1.170.0510.01013.80
7.1.160.0320.00613.77
7.1.150.0380.01013.81
7.1.140.0450.00313.45
7.1.130.0450.00613.61
7.1.120.0460.00613.46
7.1.110.0340.01013.56
7.1.100.0330.01013.47
7.1.90.0490.00313.38
7.1.80.0480.00613.14
7.1.70.0310.00915.36
7.1.60.0280.01016.61
7.1.50.0220.00515.42
7.1.40.0450.00713.59
7.1.30.0540.00313.23
7.1.20.0440.00013.45
7.1.10.0680.01013.88
7.1.00.0300.03517.88
7.0.330.0350.00713.32
7.0.320.0580.01013.52
7.0.310.0520.01313.40
7.0.300.0600.00313.32
7.0.290.0390.01113.26
7.0.280.0490.00713.58
7.0.270.0650.00013.53
7.0.260.0550.00713.59
7.0.250.0580.00813.43
7.0.240.0580.00313.36
7.0.230.0520.01613.38
7.0.220.0510.00313.36
7.0.210.0500.00713.48
7.0.200.0250.00514.94
7.0.190.1060.00713.48
7.0.180.0560.01513.57
7.0.170.0600.00913.56
7.0.160.0610.00913.34
7.0.150.0600.00413.36
7.0.140.0280.04217.52
7.0.130.0520.01013.43
7.0.120.0430.00613.03
7.0.110.0450.01513.10
7.0.100.0520.01013.20
7.0.90.0480.00713.27
7.0.80.0450.00813.26
7.0.70.0380.01713.57
7.0.60.0320.02916.46
7.0.50.0340.03515.51
7.0.40.0350.04316.53
7.0.30.0370.02416.64
7.0.20.0380.04316.82
7.0.10.0360.04516.94
7.0.00.0340.04116.76
5.6.380.0080.01713.88
5.6.370.0220.00614.44
5.6.360.0210.01014.36
5.6.350.0130.01814.24
5.6.340.0170.00813.91
5.6.330.0120.01214.20
5.6.320.0150.01514.19
5.6.310.0160.01313.93
5.6.300.0080.01514.20
5.6.290.0080.00813.87
5.6.280.0080.04217.22
5.6.270.0120.00314.07
5.6.260.0120.01513.84
5.6.250.0130.00613.81
5.6.240.0160.01013.75
5.6.230.0050.01013.71
5.6.220.0000.01714.20
5.6.210.0030.02517.25
5.6.200.0130.04016.08
5.6.190.0100.02917.32
5.6.180.0320.01817.06
5.6.170.0240.04017.40
5.6.160.0130.04517.20
5.6.150.0060.03216.07
5.6.140.0050.03316.07
5.6.130.0050.02816.12
5.6.120.0050.02917.46
5.6.110.0130.04417.62
5.6.100.0090.03517.50
5.6.90.0110.03317.46
5.6.80.0070.04717.07
5.6.70.0150.00414.24
5.6.60.0260.00514.02
5.6.50.0220.00914.24
5.6.40.0110.01513.98
5.6.30.0180.00713.85
5.6.20.0060.00814.09
5.6.10.0110.01114.08
5.6.00.0110.01513.90
5.5.380.0150.00510.80
5.5.370.0050.00510.83
5.5.360.0040.00910.75
5.5.350.0120.04615.63
5.5.340.0110.03514.45
5.5.330.0120.02215.32
5.5.320.0200.03215.44
5.5.310.0180.02715.62
5.5.300.0120.04314.40
5.5.290.0110.04414.41
5.5.280.0110.03715.83
5.5.270.0090.04715.70
5.5.260.0130.04015.69
5.5.250.0060.04215.63
5.5.240.0110.03815.48
5.5.230.0150.00910.89
5.5.220.0090.00910.80
5.5.210.0090.00510.68
5.5.200.0110.01110.89
5.5.190.0060.00610.84
5.5.180.0000.01310.35
5.5.170.0000.01110.89
5.5.160.0100.00310.53
5.5.150.0180.00410.71
5.5.140.0120.00310.45
5.5.130.0140.00710.96
5.5.120.0090.00510.82
5.5.110.0180.00610.62
5.5.100.0140.00310.95
5.5.90.0130.00810.66
5.5.80.0110.00510.37
5.5.70.0100.00410.64
5.5.60.0150.00510.93
5.5.50.0130.00410.58
5.5.40.0120.00010.41
5.5.30.0100.00510.95
5.5.20.0140.00310.87
5.5.10.0090.00410.56
5.5.00.0070.00710.75
5.4.450.0580.02615.24
5.4.440.0370.02315.15
5.4.430.0160.03415.21
5.4.420.0230.02615.07
5.4.410.0070.04015.08
5.4.400.0170.03314.97
5.4.390.0180.02614.92
5.4.380.0190.03114.74
5.4.370.0120.03514.64
5.4.360.0210.03114.68
5.4.350.0180.03614.79
5.4.340.0220.03214.55
5.4.330.0080.00410.46
5.4.320.0090.02211.55
5.4.310.0100.02211.62
5.4.300.0110.02011.58
5.4.290.0090.02411.61
5.4.280.0100.02211.57
5.4.270.0090.02211.51
5.4.260.0050.02211.61
5.4.250.0120.02011.67
5.4.240.0100.02211.48
5.4.230.0120.01811.54
5.4.220.0060.02911.53
5.4.210.0090.02111.56
5.4.200.0130.02211.54
5.4.190.0090.02511.52
5.4.180.0070.02211.48
5.4.170.0090.02311.50
5.4.160.0080.02411.57
5.4.150.0080.02111.55
5.4.140.0090.02111.26
5.4.130.0090.02011.42
5.4.120.0060.02611.41
5.4.110.0090.02111.28
5.4.100.0090.02511.31
5.4.90.0150.02211.36
5.4.80.0100.02511.46
5.4.70.0070.02211.30
5.4.60.0040.02411.30
5.4.50.0090.02811.35
5.4.40.0040.02511.39
5.4.30.0100.02411.39
5.4.20.0090.01911.31
5.4.10.0060.02011.19
5.4.00.0120.02211.14

preferences:
37.7 ms | 401 KiB | 5 Q