3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('stdClass'); var_dump(new {$a[0]});

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)
5.4.350.2970.03318.96
5.4.340.2770.05018.95
5.4.320.2900.04019.20
5.4.310.2570.03719.13
5.4.300.3000.03718.94
5.4.290.3400.03719.09
5.4.280.3200.04019.24
5.4.270.2830.04019.14
5.4.260.3000.03718.98
5.4.250.2800.04019.16
5.4.240.3330.03319.08
5.4.230.3370.03319.05
5.4.220.2830.04319.21
5.4.210.2900.03719.14
5.4.200.2970.03018.85
5.4.190.2630.03719.21
5.4.180.3100.03719.15
5.4.170.2630.04318.84
5.4.160.2330.03319.06
5.4.150.2770.03718.94
5.4.140.3400.03716.51
5.4.130.0830.04016.50
5.4.120.0030.07316.38
5.4.110.3170.04016.47
5.4.100.2930.03716.54
5.4.90.3100.03316.59
5.4.80.3070.03716.34
5.4.70.3130.03316.55
5.4.60.3000.04016.52
5.4.50.3130.03716.56
5.4.40.2830.03716.49
5.4.30.3030.04316.42
5.4.20.3200.03716.42
5.4.10.3100.03716.42
5.4.00.3070.04015.92
5.3.290.2770.04014.70
5.3.280.2930.03714.45
5.3.270.3000.03314.48
5.3.260.2430.04014.55
5.3.250.2630.04014.48
5.3.240.2830.03714.51
5.3.230.0070.03314.54
5.3.220.0030.07014.42
5.3.210.3130.04014.40
5.3.200.3170.03314.57
5.3.190.3000.03714.43
5.3.180.2970.04314.60
5.3.170.2970.03314.59
5.3.160.3130.03314.61
5.3.150.3270.04014.51
5.3.140.3070.03314.49
5.3.130.3130.03714.41
5.3.120.2900.03714.43
5.3.110.3170.03314.53
5.3.100.2170.04014.13
5.3.90.0000.04713.88
5.3.80.0070.07714.06
5.3.70.0070.04014.04
5.3.60.2670.04313.86
5.3.50.2900.04013.89
5.3.40.3200.03013.91
5.3.30.3300.03713.85
5.3.20.3070.03713.78
5.3.10.2730.04013.72
5.3.00.2600.03313.51
5.2.170.2730.03311.30
5.2.160.2200.04011.00
5.2.150.2570.03011.09
5.2.140.2430.02711.05
5.2.130.2800.03010.99
5.2.120.2670.03011.01
5.2.110.2630.02711.12
5.2.100.2630.02710.96
5.2.90.2570.03010.96
5.2.80.2770.03010.98
5.2.70.2970.02711.00
5.2.60.2930.03010.89
5.2.50.3230.03010.95
5.2.40.2330.02710.84
5.2.30.2570.03010.81
5.2.20.2300.03010.80
5.2.10.2630.03710.77
5.2.00.2200.04010.63
5.1.60.2170.02310.07
5.1.50.2770.02710.00
5.1.40.1900.02710.06
5.1.30.2130.02710.25
5.1.20.2100.02710.35
5.1.10.2030.0309.95
5.1.00.1970.02310.04
5.0.50.0970.0208.98
5.0.40.1030.0178.98
5.0.30.1170.0308.98
5.0.20.1470.0238.98
5.0.10.1430.0138.98
5.0.00.1200.0308.98
4.4.90.1470.0178.98
4.4.80.1200.0138.98
4.4.70.1470.0178.98
4.4.60.1500.0208.98
4.4.50.1230.0138.98
4.4.40.0970.0238.98
4.4.30.1230.0178.98
4.4.20.0970.0178.98
4.4.10.0970.0138.98
4.4.00.1130.0278.98
4.3.110.1000.0178.98
4.3.100.1570.0178.98
4.3.90.1600.0138.98
4.3.80.1370.0238.98
4.3.70.1470.0208.98
4.3.60.1530.0138.98
4.3.50.0970.0208.98
4.3.40.1500.0278.98
4.3.30.0770.0278.98
4.3.20.0870.0208.98
4.3.10.0700.0208.98
4.3.00.0770.0178.98

preferences:
142.07 ms | 1394 KiB | 7 Q