3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = new stdClass(); $start = microtime(true); for ($iter = 1e4; $iter--; ) { $var = new stdClass(); $result = $var === (object) $var; } $castTime = microtime(true) - $start; $start = microtime(true); for ($iter = 1e4; $iter--; ) { $var = new stdClass(); $result = is_object($var); } $checkTime = microtime(true) - $start; echo "Cast time:", sprintf("%0.3f ms", $castTime * 1e3), "<br>", PHP_EOL; echo "Check time:", sprintf("%0.3f ms", $checkTime * 1e3), PHP_EOL;

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)
7.3.120.0100.01014.55
7.3.110.0030.01014.97
7.3.100.0040.01414.86
7.3.90.0030.01214.77
7.3.80.0000.01814.57
7.3.70.0040.01514.68
7.3.60.0060.00614.86
7.3.50.0000.01014.83
7.3.40.0120.00614.56
7.3.30.0070.00714.84
7.3.20.0030.01016.47
7.3.10.0070.00416.77
7.3.00.0030.01316.63
7.2.240.0120.00314.96
7.2.230.0120.00315.16
7.2.220.0060.01314.99
7.2.210.0130.00314.72
7.2.200.0040.01414.80
7.2.190.0060.01014.92
7.2.180.0060.01315.13
7.2.170.0070.00715.04
7.2.160.0070.01015.14
7.2.150.0030.01216.96
7.2.140.0120.00616.90
7.2.130.0030.01316.92
7.2.120.0090.00616.82
7.2.110.0040.00717.07
7.2.100.0000.01616.85
7.2.90.0060.00916.94
7.2.80.0000.01616.86
7.2.70.0060.01216.98
7.2.60.0090.00617.09
7.2.50.0030.01016.88
7.2.40.0040.01116.76
7.2.30.0000.01217.01
7.2.20.0000.01816.71
7.2.10.0080.00816.65
7.2.00.0040.01118.17
7.1.330.0040.01615.94
7.1.320.0070.01115.86
7.1.310.0040.01115.61
7.1.300.0070.01415.82
7.1.290.0090.00915.88
7.1.280.0060.00915.53
7.1.270.0000.01415.71
7.1.260.0030.01615.68
7.1.250.0120.00915.70
7.1.70.0000.01116.95
7.1.60.0090.01819.32
7.1.50.0100.01316.61
7.1.00.0030.07322.31
7.0.200.0080.00416.69
7.0.140.0030.07321.99
7.0.60.0100.06719.84
7.0.50.0100.06717.82
7.0.40.0030.08720.05
7.0.30.0300.07320.30
7.0.20.0200.08720.16
7.0.10.0170.07020.10
7.0.00.0070.05020.19
5.6.280.0070.07720.99
5.6.210.0170.07020.55
5.6.200.0030.08718.19
5.6.190.0070.05320.27
5.6.180.0200.05320.49
5.6.170.0370.07720.38
5.6.160.0100.03720.43
5.6.150.0000.04718.13
5.6.140.0000.04718.21
5.6.130.0130.08018.11
5.6.120.0070.08721.14
5.6.110.0030.04720.85
5.6.100.0070.06321.13
5.6.90.0070.07720.96
5.6.80.0070.04020.38
5.6.70.4500.04320.33
5.5.350.0130.04020.34
5.5.340.0030.07317.97
5.5.330.0000.09020.41
5.5.320.0130.06720.29
5.5.310.0270.08020.26
5.5.300.0070.08017.91
5.5.290.0100.08718.00
5.5.280.0100.05320.80
5.5.270.0000.05020.67
5.5.260.0130.09020.72
5.5.250.0030.06720.79
5.5.240.0200.07720.23
5.4.450.1030.09019.61
5.4.440.0900.06019.60
5.4.430.0500.06719.49
5.4.420.0230.05719.31
5.4.410.0130.06019.34
5.4.400.0330.05018.62
5.4.390.0330.06018.65
5.4.380.0200.05318.57
5.4.370.0370.04718.56
5.4.360.0430.05318.73
5.4.350.0120.05011.98
5.4.340.0100.05311.97
5.4.320.0090.06012.46
5.4.310.0030.05712.45
5.4.300.0040.05612.46
5.4.290.0090.05312.45
5.4.280.0130.04212.35
5.4.270.0070.05012.35
5.4.260.0060.04912.35
5.4.250.0050.05512.35
5.4.240.0100.05512.35
5.4.230.0090.04812.34
5.4.220.0090.05312.34
5.4.210.0110.04512.34
5.4.200.0110.05612.34
5.4.190.0080.04712.34
5.4.180.0100.04812.34
5.4.170.0060.05412.35
5.4.160.0050.05212.34
5.4.150.0060.05412.34
5.4.140.0130.05312.03
5.4.130.0030.04812.01
5.4.120.0070.04511.97
5.4.110.0090.05011.97
5.4.100.0100.04911.97
5.4.90.0100.05611.97
5.4.80.0090.05611.97
5.4.70.0070.05411.96
5.4.60.0100.05211.96
5.4.50.0090.04411.96
5.4.40.0090.04311.95
5.4.30.0110.04911.95
5.4.20.0090.05211.95
5.4.10.0090.04811.95
5.4.00.0080.05711.45
5.3.290.0080.06212.80
5.3.280.0120.06312.71
5.3.270.0120.05612.72
5.3.260.0110.06212.72
5.3.250.0110.05912.72
5.3.240.0120.05212.72
5.3.230.0170.05212.71
5.3.220.0060.06712.68
5.3.210.0120.05312.68
5.3.200.0040.05512.68
5.3.190.0070.04812.67
5.3.180.0140.05012.67
5.3.170.0120.06112.67
5.3.160.0070.05812.67
5.3.150.0110.06212.68
5.3.140.0100.05212.66
5.3.130.0120.05212.65
5.3.120.0120.05212.66
5.3.110.0100.06312.66
5.3.100.0040.06412.12
5.3.90.0110.05412.08
5.3.80.0050.05512.08
5.3.70.0080.05712.08
5.3.60.0100.06112.07
5.3.50.0170.05712.00
5.3.40.0160.05812.00
5.3.30.0120.06211.95
5.3.20.0130.06111.73
5.3.10.0110.06311.70
5.3.00.0100.05211.68
5.2.170.0090.0509.19
5.2.160.0110.0369.18
5.2.150.0110.0479.19
5.2.140.0120.0659.18
5.2.130.0110.0409.14
5.2.120.0080.0479.14
5.2.110.0050.0429.14
5.2.100.0060.0439.14
5.2.90.0060.0439.14
5.2.80.0080.0449.13
5.2.70.0090.0509.14
5.2.60.0130.0479.09
5.2.50.0050.0539.06
5.2.40.0060.0499.04
5.2.30.0050.0539.01
5.2.20.0060.0509.00
5.2.10.0140.0388.93
5.2.00.0080.0438.79
5.1.60.0080.0378.08
5.1.50.0060.0388.07
5.1.40.0050.0368.05
5.1.30.0100.0378.40
5.1.20.0060.0448.43
5.1.10.0080.0328.16
5.1.00.0070.0448.16
5.0.50.0070.0426.63
5.0.40.0040.0446.50
5.0.30.0040.0516.31
5.0.20.0050.0306.30
5.0.10.0050.0296.27
5.0.00.0040.0446.27
4.4.90.0030.0314.78
4.4.80.0040.0314.76
4.4.70.0030.0354.75
4.4.60.0040.0304.76
4.4.50.0050.0354.77
4.4.40.0070.0454.71
4.4.30.0080.0324.76
4.4.20.0030.0384.84
4.4.10.0040.0364.85
4.4.00.0070.0444.76
4.3.110.0070.0344.67
4.3.100.0040.0364.67
4.3.90.0050.0324.63
4.3.80.0030.0454.59
4.3.70.0040.0374.63
4.3.60.0060.0294.63
4.3.50.0040.0354.63
4.3.40.0060.0514.55
4.3.30.0050.0283.36
4.3.20.0040.0353.33
4.3.10.0040.0353.29
4.3.00.0000.0377.30

preferences:
40.61 ms | 401 KiB | 5 Q