3v4l.org

run code in 300+ PHP versions simultaneously
<?php $different_values = array(); for($i=0; $i<10; $i++){ $different_values = uniqid('test-'); } var_dump( count(array_unique($different_values)) );

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)
7.2.00.0000.01219.41
7.1.70.0040.00417.34
7.1.60.0090.01519.40
7.1.50.0110.01117.00
7.1.00.0070.07322.30
7.0.200.0040.00416.47
7.0.140.0030.07322.18
7.0.60.0170.07319.92
7.0.50.0030.05717.87
7.0.40.0070.08320.04
7.0.30.0600.04320.01
7.0.20.0230.08720.13
7.0.10.0100.04720.17
7.0.00.0000.04320.04
5.6.280.0030.07321.12
5.6.210.0100.08020.53
5.6.200.0030.07718.08
5.6.190.0130.05720.35
5.6.180.0270.05720.66
5.6.170.0330.07320.62
5.6.160.0130.07720.50
5.6.150.0070.07718.18
5.6.140.0070.05018.21
5.6.130.0030.08718.17
5.6.120.0100.08320.99
5.6.110.0170.07320.97
5.6.100.0000.04321.00
5.6.90.0130.07021.01
5.6.80.0030.08320.43
5.5.350.0100.04720.44
5.5.340.0000.04318.02
5.5.330.0070.08020.20
5.5.320.0030.08320.13
5.5.310.0300.07320.41
5.5.300.0030.04317.91
5.5.290.0070.08017.96
5.5.280.0000.06020.81
5.5.270.0100.08020.76
5.5.260.0070.04720.89
5.5.250.0170.06020.77
5.5.240.0000.08320.26
5.4.450.0430.07319.29
5.4.440.0830.06319.63
5.4.430.0900.05319.46
5.4.420.0830.05319.62
5.4.410.0830.05718.98
5.4.400.0870.05718.77
5.4.390.0830.06019.15
5.4.380.0170.05718.68
5.4.370.0330.03718.46
5.4.360.0430.03018.67
5.4.350.0040.04011.98
5.4.340.0080.04111.97
5.4.320.0050.03812.46
5.4.310.0060.04012.45
5.4.300.0100.03512.46
5.4.290.0080.03912.45
5.4.280.0090.03312.35
5.4.270.0090.04712.35
5.4.260.0060.03712.35
5.4.250.0100.06318.76
5.4.240.0100.05318.73
5.4.230.0130.05318.93
5.4.220.0030.07018.81
5.4.210.0100.07318.84
5.4.200.0000.06018.79
5.4.190.0070.05318.82
5.4.180.0030.05318.96
5.4.170.0130.04718.71
5.4.160.0130.04318.63
5.4.150.0170.04318.70
5.4.140.0070.07016.28
5.4.130.0070.04716.35
5.4.120.0070.07316.19
5.4.110.0170.05016.37
5.4.100.0130.04316.34
5.4.90.0100.07016.27
5.4.80.0100.05016.37
5.4.70.0230.03716.18
5.4.60.0030.05316.25
5.4.50.0130.07016.11
5.4.40.0030.05316.40
5.4.30.0070.08016.25
5.4.20.0200.05016.43
5.4.10.0130.04716.35
5.4.00.0070.05315.68
5.3.290.0090.03812.80
5.3.280.0100.06714.64
5.3.270.0100.06314.38
5.3.260.0030.05314.62
5.3.250.0100.05314.38
5.3.240.0000.06714.62
5.3.230.0170.04314.37
5.3.220.0100.04714.49
5.3.210.0100.06714.72
5.3.200.0070.05314.57
5.3.190.0170.06714.48
5.3.180.0070.05014.34
5.3.170.0070.07014.57
5.3.160.0000.06714.57
5.3.150.0130.07014.71
5.3.140.0030.05714.47
5.3.130.0130.04714.55
5.3.120.0230.05314.40
5.3.110.0070.05314.59
5.3.100.0100.05314.05
5.3.90.0070.05314.02
5.3.80.0170.04714.03
5.3.70.0170.06014.04
5.3.60.0100.06313.85
5.3.50.0130.04713.80
5.3.40.0130.06313.96
5.3.30.0000.06713.79
5.3.20.0170.03713.53
5.3.10.0100.06013.66
5.3.00.0070.06713.68
5.2.170.0030.05011.29
5.2.160.0100.05310.97
5.2.150.0170.05710.90
5.2.140.0100.05011.02
5.2.130.0030.04011.25
5.2.120.0100.03311.11
5.2.110.0030.04311.11
5.2.100.0030.04711.09
5.2.90.0030.05710.86
5.2.80.0030.04010.97
5.2.70.0070.04311.08
5.2.60.0100.03711.07
5.2.50.0130.03011.01
5.2.40.0030.04311.00
5.2.30.0100.05310.86
5.2.20.0030.04010.72
5.2.10.0070.05010.96
5.2.00.0070.04010.62
5.1.60.0000.03710.05
5.1.50.0070.03310.05
5.1.40.0100.0479.83
5.1.30.0070.03310.09
5.1.20.0030.03710.11
5.1.10.0000.0409.95
5.1.00.0030.03710.13
5.0.50.0070.0338.47
5.0.40.0130.0278.33
5.0.30.0070.0578.24
5.0.20.0030.0278.27
5.0.10.0070.0278.15
5.0.00.0030.0438.10
4.4.90.0070.0177.41
4.4.80.0030.0237.41
4.4.70.0000.0237.41
4.4.60.0000.0237.41
4.4.50.0030.0307.41
4.4.40.0030.0337.41
4.4.30.0030.0207.41
4.4.20.0030.0207.41
4.4.10.0030.0207.41
4.4.00.0070.0307.41
4.3.110.0000.0237.41
4.3.100.0030.0207.41
4.3.90.0000.0237.41
4.3.80.0030.0307.41
4.3.70.0030.0207.41
4.3.60.0030.0237.41
4.3.50.0000.0237.41
4.3.40.0030.0307.41
4.3.30.0030.0207.41
4.3.20.0070.0207.41
4.3.10.0000.0307.41
4.3.00.0070.0277.30

preferences:
36.52 ms | 400 KiB | 5 Q