3v4l.org

run code in 300+ PHP versions simultaneously
<?php $gmp = gmp_init(1); var_dump( $gmp, isset($gmp), $gmp ?? null, is_null($gmp), $gmp === null );

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)
8.3.60.0090.00618.41
8.3.50.0150.00616.52
8.3.40.0080.00818.97
8.3.30.0100.00718.74
8.3.20.0030.00621.77
8.3.10.0040.00423.75
8.3.00.0060.00320.90
8.2.180.0110.00716.50
8.2.170.0060.01322.96
8.2.160.0110.00420.30
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0100.00721.31
8.2.110.0000.01122.57
8.2.100.0100.00317.84
8.2.90.0000.00818.16
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0000.00818.16
8.2.50.0040.00418.07
8.2.40.0040.00420.20
8.2.30.0040.00418.21
8.2.20.0000.00718.20
8.2.10.0040.00419.39
8.2.00.0000.00719.61
8.1.280.0120.00325.92
8.1.270.0000.00923.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00622.30
8.1.230.0040.00822.87
8.1.220.0060.00317.91
8.1.210.0050.00318.98
8.1.200.0050.00517.47
8.1.190.0030.00717.48
8.1.180.0040.00418.10
8.1.170.0050.00318.84
8.1.160.0040.00419.06
8.1.150.0040.00419.03
8.1.140.0070.00020.80
8.1.130.0000.00717.59
8.1.120.0030.00417.50
8.1.110.0040.00417.46
8.1.100.0000.00817.60
8.1.90.0040.00417.57
8.1.80.0040.00417.55
8.1.70.0030.00617.47
8.1.60.0040.00417.66
8.1.50.0030.00517.68
8.1.40.0040.00417.63
8.1.30.0040.00417.72
8.1.20.0040.00417.66
8.1.10.0000.00717.67
8.1.00.0000.00817.61
8.0.300.0070.00020.15
8.0.290.0040.00416.75
8.0.280.0070.00018.52
8.0.270.0000.00817.27
8.0.260.0000.00717.03
8.0.250.0030.00517.02
8.0.240.0030.00316.95
8.0.230.0050.00216.96
8.0.220.0070.00016.95
8.0.210.0040.00317.02
8.0.200.0000.00717.05
8.0.190.0040.00417.03
8.0.180.0040.00416.91
8.0.170.0040.00416.99
8.0.160.0040.00416.97
8.0.150.0000.00716.94
8.0.140.0030.00316.85
8.0.130.0030.00313.32
8.0.120.0040.00416.90
8.0.110.0040.00416.97
8.0.100.0040.00417.05
8.0.90.0000.00717.06
8.0.80.0070.01317.01
8.0.70.0000.00717.05
8.0.60.0040.00416.93
8.0.50.0040.00417.05
8.0.30.0040.01117.33
8.0.20.0150.00317.43
8.0.10.0040.00417.07
8.0.00.0060.01216.98
7.4.330.0030.00315.55
7.4.320.0000.00716.77
7.4.300.0030.00316.68
7.4.290.0060.00316.70
7.4.280.0050.00316.78
7.4.270.0030.00316.72
7.4.260.0030.00316.77
7.4.250.0040.00416.50
7.4.240.0000.00716.56
7.4.230.0030.00316.71
7.4.220.0040.00416.74
7.4.210.0070.01016.78
7.4.200.0030.00316.61
7.4.160.0090.00716.67
7.4.140.0100.01017.86
7.4.130.0090.00916.54
7.4.120.0120.00916.75
7.4.110.0000.01716.68
7.4.100.0130.00716.66
7.4.90.0080.00816.60
7.4.80.0120.00919.39
7.4.70.0080.00816.49
7.4.60.0030.01316.64
7.4.50.0060.00916.55
7.4.40.0170.00716.45
7.4.00.0160.00014.96
7.3.330.0000.00513.21
7.3.320.0030.00313.15
7.3.310.0000.00616.28
7.3.300.0070.00016.47
7.3.290.0040.00316.38
7.3.280.0050.01216.34
7.3.260.0090.01016.46
7.3.240.0110.01116.63
7.3.230.0060.01516.71
7.3.210.0040.01216.59
7.3.200.0100.00616.59
7.3.190.0190.00316.53
7.3.180.0060.01616.53
7.3.170.0130.00616.34
7.3.160.0130.01016.57
7.3.10.1080.00314.96
7.3.00.0960.00015.14
7.2.330.0130.00616.86
7.2.320.0060.01316.79
7.2.310.0080.00816.68
7.2.300.0070.01016.73
7.2.290.0110.00516.85
7.2.130.0640.00715.28
7.2.120.0680.00715.25
7.2.110.1080.01315.30
7.2.100.0920.00315.06
7.2.90.0670.00315.34
7.2.80.1160.00715.28
7.2.70.1240.00715.22
7.2.60.0970.00314.93
7.2.50.1040.01315.36
7.2.40.0810.00715.17
7.2.30.0920.01015.15
7.2.20.0970.00615.31
7.2.10.0720.00315.20
7.2.00.0650.00315.12
7.1.250.0750.00314.14

preferences:
55.26 ms | 401 KiB | 5 Q