3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = microtime(true); for ($i=0;$i<10000;$i++) { $a = is_null($i); } var_dump(microtime(true) - $start); $start = microtime(true); for ($i=0;$i<10000;$i++) { $a = null === $i; } var_dump(microtime(true) - $start);

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)
7.4.00.0060.01215.03
7.3.120.0040.01414.96
7.3.110.0020.01414.96
7.3.100.0050.00914.93
7.3.90.0110.00414.79
7.3.80.0070.00714.87
7.3.70.0030.00814.86
7.3.60.0060.00714.69
7.3.50.0060.00814.82
7.3.40.0080.00714.70
7.3.30.0070.00914.80
7.3.20.0040.00916.75
7.3.10.0070.00916.58
7.3.00.0060.00916.62
7.2.250.0090.01114.98
7.2.240.0060.01215.20
7.2.230.0070.01015.14
7.2.220.0080.00814.97
7.2.210.0100.00715.01
7.2.200.0070.00715.03
7.2.190.0070.00714.92
7.2.180.0080.00915.00
7.2.170.0060.00715.06
7.2.160.0080.00814.93
7.2.150.0060.01116.76
7.2.140.0110.00616.65
7.2.130.0040.01016.92
7.2.120.0060.00816.96
7.2.110.0050.00816.75
7.2.100.0060.00816.95
7.2.90.0090.00516.79
7.2.80.0070.00816.81
7.2.70.0070.00716.92
7.2.60.0070.00816.87
7.2.50.0040.01217.03
7.2.40.0050.01116.88
7.2.30.0060.00816.88
7.2.20.0070.00816.94
7.2.10.0020.01216.87
7.2.00.0070.00817.45
7.1.330.0040.01315.91
7.1.320.0060.00815.82
7.1.310.0080.00715.80
7.1.300.0070.00915.52
7.1.290.0070.00615.57
7.1.280.0070.00715.65
7.1.270.0080.00715.71
7.1.260.0070.01115.74
7.1.250.0050.01015.52
7.1.240.0030.01715.73
7.1.230.0040.01515.80
7.1.220.0090.00615.66
7.1.210.0090.01215.84
7.1.200.0150.00015.55
7.1.190.0120.00315.63
7.1.180.0060.00615.93
7.1.170.0030.00715.79
7.1.160.0040.01115.86
7.1.150.0070.01015.86
7.1.140.0070.00315.47
7.1.130.0040.00815.61
7.1.120.0040.01115.91
7.1.110.0000.01515.43
7.1.100.0070.00715.69
7.1.90.0070.00715.95
7.1.80.0030.00915.79
7.1.70.0030.01016.56
7.1.60.0090.00917.58
7.1.50.0050.01516.45
7.1.40.0070.00715.76
7.1.30.0070.01015.88
7.1.20.0100.00315.80
7.1.10.0000.01015.83
7.1.00.0040.04419.07
7.0.330.0070.01115.33
7.0.320.0090.00615.34
7.0.310.0070.00715.55
7.0.300.0030.00815.48
7.0.290.0000.01315.48
7.0.280.0030.01315.13
7.0.270.0000.01415.15
7.0.260.0040.00915.23
7.0.250.0030.01315.61
7.0.240.0100.00615.31
7.0.230.0000.01515.55
7.0.220.0100.00015.45
7.0.210.0040.01215.37
7.0.200.0230.00515.22
7.0.190.0000.01415.30
7.0.180.0040.01215.62
7.0.170.0090.00315.61
7.0.160.0090.00615.35
7.0.150.0000.01415.14
7.0.140.0040.00815.21
7.0.130.0130.00615.40
7.0.120.0000.00915.21
7.0.110.0030.00715.39
7.0.100.0120.00315.53
7.0.90.0000.01115.17
7.0.80.0140.00315.24
7.0.70.0040.01215.57
7.0.60.0070.02618.47
7.0.50.0040.02716.56
7.0.40.0020.03016.85
7.0.30.0140.03416.75
7.0.20.0100.02816.87
7.0.10.0060.03016.72
7.0.00.0030.03016.82
5.6.400.0000.01114.32
5.6.390.0060.00914.39
5.6.380.0000.01714.05
5.6.370.0040.01513.93
5.6.360.0060.01213.84
5.6.350.0060.01314.30
5.6.340.0090.00914.20
5.6.330.0030.01614.27
5.6.320.0090.00614.58
5.6.310.0100.01014.15
5.6.300.0060.01314.02
5.6.290.0100.01013.95
5.6.280.0080.03017.55
5.6.270.0040.01214.05
5.6.260.0030.01314.64
5.6.250.0110.00714.55
5.6.240.0030.01414.21
5.6.230.0070.01314.32
5.6.220.0060.01214.38
5.6.210.0050.02417.51
5.6.200.0040.03016.31
5.6.190.0000.02917.47
5.6.180.0170.03217.36
5.6.170.0170.03217.39
5.6.160.0080.03117.46
5.6.150.0100.02016.15
5.6.140.0050.05116.21
5.6.130.0050.03416.35
5.6.120.0110.04417.84
5.6.110.0050.02717.71
5.6.100.0110.04617.54
5.6.90.0030.02717.46
5.6.80.0110.03517.38
5.6.70.0030.00913.91
5.6.60.0040.01514.07
5.6.50.0040.01414.07
5.6.40.0030.01414.14
5.6.30.0100.00714.12
5.6.20.0070.01014.02
5.6.10.0110.00714.13
5.6.00.0090.00914.19
5.5.380.0030.01613.98
5.5.370.0100.01014.14
5.5.360.0070.00714.30
5.5.350.0050.04017.15
5.5.340.0130.04516.04
5.5.330.0120.02617.19
5.5.320.0220.03217.35
5.5.310.0130.03017.19
5.5.300.0110.04016.01
5.5.290.0070.04516.01
5.5.280.0030.05417.30
5.5.270.0130.02917.45
5.5.260.0050.04717.49
5.5.250.0070.05017.30
5.5.240.0130.03716.95
5.5.230.0090.00913.86
5.5.220.0110.00614.11
5.5.210.0030.01214.27
5.5.200.0100.00714.29
5.5.190.0030.01313.98
5.5.180.0000.01714.20
5.5.170.0070.01014.32
5.5.160.0000.01614.22
5.5.150.0070.01014.24
5.5.140.0090.00613.94
5.5.130.0040.01414.43
5.5.120.0030.01314.25
5.5.110.0070.01313.98
5.5.100.0030.01614.17
5.5.90.0000.01814.37
5.5.80.0030.01714.37
5.5.70.0000.01614.22
5.5.60.0000.01713.98
5.5.50.0090.00913.89
5.5.40.0100.00714.13
5.5.30.0030.01514.02
5.5.20.0070.01114.14
5.5.10.0090.00914.04
5.5.00.0030.01214.01

preferences:
42.14 ms | 401 KiB | 5 Q