3v4l.org

run code in 300+ PHP versions simultaneously
<?php if ($doesNotEsit ?? false && false) { var_dump(1); // ok we don't go here } $doesExist = true; if ($doesExist ?? false && false) { var_dump('2'); // AILLE, we go here } $doesExist = true; if (($doesExist ?? false) && false) { var_dump('3'); // Ok, we are safe now }

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)
8.3.40.0070.00718.84
8.3.30.0120.00318.71
8.3.20.0000.00721.64
8.3.10.0080.00021.77
8.3.00.0030.00623.51
8.2.170.0150.00022.96
8.2.160.0130.00722.04
8.2.150.0100.00325.66
8.2.140.0090.00024.66
8.2.130.0040.00420.88
8.2.120.0070.00026.35
8.2.110.0040.00421.11
8.2.100.0080.00417.84
8.2.90.0090.00017.91
8.2.80.0000.00819.03
8.2.70.0040.00417.93
8.2.60.0060.00318.16
8.2.50.0040.00418.10
8.2.40.0030.00519.19
8.2.30.0000.00719.18
8.2.20.0040.00417.93
8.2.10.0090.00018.03
8.2.00.0040.00417.93
8.1.270.0030.00623.73
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.01723.93
8.1.230.0070.00320.91
8.1.220.0060.00317.74
8.1.210.0050.00518.77
8.1.200.0060.00317.23
8.1.190.0090.00017.23
8.1.180.0060.00318.10
8.1.170.0000.00818.60
8.1.160.0070.00018.86
8.1.150.0040.00418.92
8.1.140.0000.00717.71
8.1.130.0030.00320.71
8.1.120.0070.00017.54
8.1.110.0040.00417.41
8.1.100.0000.00717.38
8.1.90.0040.00417.53
8.1.80.0050.00317.47
8.1.70.0070.00017.44
8.1.60.0040.00417.50
8.1.50.0040.00417.50
8.1.40.0040.00417.42
8.1.30.0040.00417.73
8.1.20.0080.00017.51
8.1.10.0070.00017.50
8.1.00.0000.00817.45
8.0.300.0000.00720.04
8.0.290.0060.00316.75
8.0.280.0030.00318.38
8.0.270.0030.00317.16
8.0.260.0050.00217.29
8.0.250.0000.00716.94
8.0.240.0000.00816.91
8.0.230.0030.00617.02
8.0.220.0070.00016.97
8.0.210.0050.00316.83
8.0.200.0030.00316.92
8.0.190.0000.00716.98
8.0.180.0030.00316.86
8.0.170.0090.00016.86
8.0.160.0050.00216.99
8.0.150.0120.00016.87
8.0.140.0040.00416.80
8.0.130.0070.00013.38
8.0.120.0000.00816.90
8.0.110.0040.00416.83
8.0.100.0000.00716.98
8.0.90.0040.00416.79
8.0.80.0120.00316.96
8.0.70.0000.00716.99
8.0.60.0040.00416.91
8.0.50.0020.00516.83
8.0.30.0100.00817.09
8.0.20.0150.00717.40
8.0.10.0040.00416.97
8.0.00.0080.01016.70
7.4.330.0060.00015.55
7.4.320.0070.00016.44
7.4.300.0000.00616.45
7.4.290.0020.00516.50
7.4.280.0080.00016.58
7.4.270.0070.00016.50
7.4.260.0030.00716.50
7.4.250.0000.00716.45
7.4.240.0070.00016.40
7.4.230.0000.00716.60
7.4.220.0050.00316.40
7.4.210.0080.00816.58
7.4.200.0030.00316.63
7.4.160.0080.00716.45
7.4.140.0090.00817.86
7.4.130.0140.00316.50
7.4.120.0100.00716.51
7.4.110.0030.01416.52
7.4.100.0120.00616.45
7.4.90.0140.00316.38
7.4.80.0170.00319.39
7.4.70.0060.01116.52
7.4.60.0110.00416.41
7.4.50.0080.01116.53
7.4.40.0100.01116.51
7.4.10.0070.01114.68
7.4.00.0070.00915.05
7.3.330.0000.00513.00
7.3.320.0020.00213.00
7.3.310.0030.00316.39
7.3.300.0050.00216.29
7.3.290.0000.00616.33
7.3.280.0100.01016.24
7.3.260.0120.00816.38
7.3.240.0100.00716.27
7.3.230.0070.01116.45
7.3.210.0190.00316.21
7.3.200.0140.00616.21
7.3.190.0080.01216.17
7.3.180.0080.00816.19
7.3.170.0080.00816.32
7.3.160.0100.00616.41
7.3.130.0060.01214.71
7.3.120.0080.00414.71
7.3.110.0100.00714.75
7.3.100.0030.01314.63
7.3.90.0060.01014.51
7.3.80.0080.00014.40
7.3.70.0000.01314.75
7.3.60.0080.00314.85
7.3.50.0050.00514.66
7.3.40.0080.00614.77
7.3.30.0040.01114.52
7.3.20.0060.00616.55
7.3.10.0070.00716.45
7.3.00.0090.00316.63
7.2.330.0090.00916.24
7.2.320.0120.00616.66
7.2.310.0060.01216.27
7.2.300.0060.01016.63
7.2.290.0090.01416.65
7.2.260.0070.01114.83
7.2.250.0030.01514.77
7.2.240.0030.01315.18
7.2.230.0040.01114.96
7.2.220.0090.00314.74
7.2.210.0000.01614.85
7.2.200.0030.01014.84
7.2.190.0030.00914.77
7.2.180.0090.00614.59
7.2.170.0070.00715.09
7.2.160.0070.00714.99
7.2.150.0120.00416.71
7.2.140.0070.00716.62
7.2.130.0070.00716.57
7.2.120.0000.01316.86
7.2.110.0060.00616.63
7.2.100.0070.00716.74
7.2.90.0060.01316.96
7.2.80.0100.00716.63
7.2.70.0070.01117.03
7.2.60.0180.00716.89
7.2.50.0180.00316.83
7.2.40.1140.01017.50
7.2.30.0780.01217.62
7.2.20.0920.01117.63
7.2.10.0960.00917.41
7.2.00.0970.00917.67
7.1.330.0060.00915.81
7.1.320.0080.00015.41
7.1.310.0000.01415.60
7.1.300.0070.00715.59
7.1.290.0030.01015.58
7.1.280.0000.01315.73
7.1.270.0030.00615.61
7.1.260.0040.00815.67
7.1.250.0030.01415.77
7.1.240.0000.01215.73
7.1.230.0000.01315.42
7.1.220.0000.01415.81
7.1.210.0100.00715.78
7.1.200.0090.00515.50
7.1.190.0080.00415.58
7.1.180.0030.00915.71
7.1.170.0130.00015.42
7.1.160.0840.00916.59
7.1.150.0850.01216.40
7.1.140.0830.00916.41
7.1.130.0920.00816.37
7.1.120.0900.01016.44
7.1.110.0940.00715.98
7.1.100.0950.01015.87
7.1.90.0820.01215.89
7.1.80.0970.00815.94
7.1.70.0920.00815.24
7.1.60.1010.01228.83
7.1.50.1310.01528.55
7.1.40.1200.01128.27
7.1.30.1200.01128.30
7.1.20.1110.01228.35
7.1.10.1070.00914.89
7.1.00.0860.01014.89
7.0.330.0100.00315.29
7.0.320.0130.00315.41
7.0.310.0030.01015.33
7.0.300.0030.00715.07
7.0.290.0060.00615.34
7.0.280.0060.00615.20
7.0.270.0050.00515.39
7.0.260.0060.00915.33
7.0.250.0060.00915.32
7.0.240.0040.01115.50
7.0.230.0040.00715.52
7.0.220.0120.00315.14
7.0.210.0070.00715.29
7.0.200.0060.00615.29
7.0.190.0070.00715.54
7.0.180.0120.00315.41
7.0.170.0070.00715.39
7.0.160.0070.00415.47
7.0.150.0060.00615.01
7.0.140.0070.00715.32
7.0.130.0040.01115.52
7.0.120.0100.00615.29
7.0.110.0110.00015.43
7.0.100.0000.01315.39
7.0.90.0110.00415.20
7.0.80.0060.01015.48
7.0.70.0000.01315.31
7.0.60.0100.00315.43
7.0.50.0090.00615.46
7.0.40.0030.01313.49
7.0.30.0090.00613.43
7.0.20.0030.01213.31
7.0.10.0030.01013.24
7.0.00.0040.00713.26
5.6.400.0090.00614.18
5.6.390.0080.00814.12
5.6.380.0060.00914.10
5.6.370.0090.00914.03
5.6.360.0100.00313.83
5.6.350.0080.00414.07
5.6.340.0030.00814.14
5.6.330.0090.00014.16
5.6.320.0120.00314.15
5.6.310.0100.00614.22
5.6.300.0030.00913.95
5.6.290.0040.01114.04
5.6.280.0100.00314.02
5.6.270.0030.01014.02
5.6.260.0060.00913.95
5.6.250.0070.00413.96
5.6.240.0040.00814.09
5.6.230.0070.00714.39
5.6.220.0090.00314.07
5.6.210.0120.00314.18
5.6.200.0040.01113.98
5.6.190.0030.01414.32
5.6.180.0060.00614.19
5.6.170.0000.01114.11
5.6.160.0030.00714.03
5.6.150.0070.00714.10
5.6.140.0030.01014.07
5.6.130.0040.01514.07
5.6.120.0070.00714.10
5.6.110.0090.00914.16
5.6.100.0070.00714.34
5.6.90.0100.00314.27
5.6.80.0070.01014.05
5.6.70.0030.01313.83
5.6.60.0030.00913.96
5.6.50.0030.00613.82
5.6.40.0030.00913.98
5.6.30.0150.00013.89
5.6.20.0040.00413.99
5.6.10.0030.01014.26
5.6.00.0000.01114.14

preferences:
61.6 ms | 400 KiB | 5 Q