3v4l.org

run code in 300+ PHP versions simultaneously
<?php //PHPの関数 //様々な関数 $a = ""; $b = "123"; //empty関数 /*以下の場合にTRUE ・空白の数値 ・文字列、配列、数値の0 ・文字列の半角の0 ・NULLやFALSE ・変数が定義されただけの状態*/ $_a=empty($a); echo $_a.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)
8.3.60.0200.00018.18
8.3.50.0120.00315.96
8.3.40.0060.01218.72
8.3.30.0140.00718.68
8.3.20.0040.00424.18
8.3.10.0070.00324.66
8.3.00.0000.00826.16
8.2.180.0070.00725.92
8.2.170.0140.00719.00
8.2.160.0090.00622.96
8.2.150.0060.00325.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00026.35
8.2.110.0060.00320.74
8.2.100.0060.00617.78
8.2.90.0090.00018.03
8.2.80.0040.00817.97
8.2.70.0090.00017.93
8.2.60.0060.00318.00
8.2.50.0040.00418.10
8.2.40.0030.00521.20
8.2.30.0040.00419.25
8.2.20.0050.00317.93
8.2.10.0040.00419.29
8.2.00.0030.00519.35
8.1.280.0100.01325.92
8.1.270.0040.00423.88
8.1.260.0050.00328.09
8.1.250.0050.00328.09
8.1.240.0060.00622.15
8.1.230.0070.00421.03
8.1.220.0040.00417.77
8.1.210.0070.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.10
8.1.180.0030.00518.10
8.1.170.0060.00318.50
8.1.160.0040.00418.95
8.1.150.0000.00818.86
8.1.140.0050.00218.75
8.1.130.0040.00419.97
8.1.120.0030.00517.34
8.1.110.0030.00717.39
8.1.100.0040.00417.38
8.1.90.0080.00017.39
8.1.80.0040.00717.36
8.1.70.0050.00317.27
8.1.60.0050.00217.46
8.1.50.0040.00417.34
8.1.40.0000.00917.47
8.1.30.0060.00317.59
8.1.20.0050.00317.39
8.1.10.0080.00017.50
8.1.00.0070.00017.32
8.0.300.0040.00420.02
8.0.290.0000.00816.75
8.0.280.0070.00018.32
8.0.270.0000.00816.75
8.0.260.0040.00418.55
8.0.250.0070.00016.98
8.0.240.0000.00816.91
8.0.230.0030.00316.80
8.0.220.0000.00716.83
8.0.210.0050.00316.93
8.0.200.0000.00716.87
8.0.190.0040.00417.00
8.0.180.0040.00416.92
8.0.170.0030.00616.91
8.0.160.0050.00216.83
8.0.150.0080.00016.82
8.0.140.0050.00216.73
8.0.130.0000.00613.32
8.0.120.0090.00016.89
8.0.110.0040.00416.91
8.0.100.0070.00016.86
8.0.90.0040.00416.91
8.0.80.0020.01316.89
8.0.70.0040.00416.66
8.0.60.0040.00416.83
8.0.50.0000.00716.86
8.0.30.0070.01317.34
8.0.20.0110.00717.14
8.0.10.0140.00316.89
8.0.00.0150.00316.89
7.4.330.0000.00415.55
7.4.320.0030.00316.34
7.4.300.0000.00616.49
7.4.290.0080.00016.38
7.4.280.0060.00316.52
7.4.270.0080.00016.32
7.4.260.0050.00013.08
7.4.250.0000.00816.47
7.4.240.0040.00416.43
7.4.230.0000.00716.32
7.4.220.0050.00216.46
7.4.210.0070.00816.44
7.4.200.0000.00816.40
7.4.140.0140.00316.42
7.4.130.0030.01316.42
7.4.120.0090.00916.30
7.4.110.0140.00316.01
7.4.100.0140.00316.44
7.4.90.0150.00316.32
7.4.80.0140.00316.32
7.4.70.0070.01016.37
7.4.60.0120.00616.29
7.4.50.0100.00716.37
7.4.40.0070.01016.06
7.4.30.0140.00916.29
7.4.20.0140.00315.84
7.4.10.0170.00316.18
7.4.00.0080.00816.21
7.3.330.0030.00316.02
7.3.320.0050.00013.02
7.3.310.0000.00716.25
7.3.300.0060.00016.22
7.3.290.0060.00916.17
7.3.260.0130.00916.17
7.3.250.0060.01016.29
7.3.240.0100.00716.03
7.3.230.0140.00316.21
7.3.220.0100.00716.18
7.3.210.0100.00616.20
7.3.200.0080.00916.17
7.3.190.0030.01316.05
7.3.180.0000.01716.22
7.3.170.0080.00916.30
7.3.160.0080.00816.08
7.3.150.0060.01216.28
7.3.140.0070.01016.21
7.3.130.0110.00716.28
7.3.120.0060.01216.20
7.3.110.0150.00916.24
7.3.100.0160.00716.34
7.3.90.0110.00716.37
7.3.80.0070.01016.19
7.3.70.0070.01316.14
7.3.60.0070.01016.27
7.3.50.0090.00916.01
7.3.40.0070.01016.06
7.3.30.0070.01116.38
7.3.20.0140.00416.23
7.3.10.0150.00416.23
7.3.00.0120.00616.22

preferences:
66.3 ms | 401 KiB | 5 Q