3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new GMP(1); $b =& $a; var_dump($a, $b); $a += 1; var_dump($a, $b);

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)
8.3.40.0040.01118.88
8.3.30.0070.00718.85
8.3.20.0030.00520.47
8.3.10.0030.00722.02
8.3.00.0000.00823.91
8.2.170.0140.00322.96
8.2.160.0030.01020.60
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00021.30
8.2.120.0000.00826.35
8.2.110.0030.00721.16
8.2.100.0070.00418.05
8.2.90.0000.00819.52
8.2.80.0040.00417.97
8.2.70.0090.00017.75
8.2.60.0000.00818.05
8.2.50.0050.00318.07
8.2.40.0030.00622.56
8.2.30.0030.00319.64
8.2.20.0000.00817.88
8.2.10.0070.00018.14
8.2.00.0030.00618.17
8.1.270.0110.00422.39
8.1.260.0030.00528.09
8.1.250.0050.00228.09
8.1.240.0060.00322.72
8.1.230.0060.00819.40
8.1.220.0040.00417.91
8.1.210.0050.00318.77
8.1.200.0070.00417.47
8.1.190.0040.00417.35
8.1.180.0030.00518.10
8.1.170.0000.00818.75
8.1.160.0050.00320.84
8.1.150.0040.00420.77
8.1.140.0000.00819.63
8.1.130.0000.00717.75
8.1.120.0050.00217.46
8.1.110.0000.00717.47
8.1.100.0000.00817.47
8.1.90.0000.00817.66
8.1.80.0040.00417.66
8.1.70.0080.00017.69
8.1.60.0030.00617.66
8.1.50.0090.00017.62
8.1.40.0040.00417.51
8.1.30.0040.00417.78
8.1.20.0030.00617.76
8.1.10.0040.00417.54
8.1.00.0000.00717.59
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0000.00818.53
8.0.270.0030.00317.39
8.0.260.0030.00317.39
8.0.250.0030.00316.96
8.0.240.0030.00317.14
8.0.230.0060.00316.94
8.0.220.0000.00717.03
8.0.210.0080.00016.94
8.0.200.0060.00017.02
8.0.190.0000.00817.03
8.0.180.0040.00416.90
8.0.170.0080.00017.00
8.0.160.0030.00517.04
8.0.150.0030.00416.97
8.0.140.0000.00716.83
8.0.130.0050.00013.38
8.0.120.0080.00016.90
8.0.110.0000.00816.86
8.0.100.0030.00516.80
8.0.90.0030.00516.83
8.0.80.0070.01017.04
8.0.70.0080.00016.81
8.0.60.0040.00416.96
8.0.50.0040.00416.94
8.0.30.0110.01017.25
8.0.20.0080.01117.40
8.0.10.0030.00517.04
8.0.00.0070.01116.86
7.4.330.0000.00516.71
7.4.320.0000.00616.53
7.4.300.0030.00516.51
7.4.290.0070.00016.51
7.4.280.0000.01016.55
7.4.270.0000.00716.62
7.4.260.0070.00016.66
7.4.250.0080.00016.57
7.4.240.0050.00316.54
7.4.230.0070.00016.45
7.4.220.0110.00716.70
7.4.210.0090.00916.67
7.4.200.0000.00816.50
7.4.160.0070.01116.61
7.4.150.0120.00617.40
7.4.140.0170.00617.86
7.4.130.0150.00316.59
7.4.120.0130.00716.55
7.4.110.0100.01316.63
7.4.100.0080.01216.29
7.4.90.0070.01116.44
7.4.80.0070.01019.39
7.4.70.0040.01216.71
7.4.60.0070.01116.73
7.4.50.0070.00716.51
7.4.40.0100.00716.69
7.4.30.0100.01016.58
7.4.00.0030.01014.86
7.3.330.0080.00013.13
7.3.320.0050.00013.11
7.3.310.0090.00016.13
7.3.300.0030.00316.21
7.3.290.0000.00716.34
7.3.280.0110.00816.33
7.3.270.0130.00617.40
7.3.260.0160.00616.76
7.3.250.0110.00716.46
7.3.240.0090.01116.50
7.3.230.0120.00616.39
7.3.210.0120.00416.32
7.3.200.0100.01019.39
7.3.190.0110.01116.46
7.3.180.0080.00816.50
7.3.170.0150.00616.27
7.3.160.0080.00816.34
7.2.330.0100.00716.79
7.2.320.0080.01216.51
7.2.310.0080.00816.68
7.2.300.0060.01016.59
7.2.290.0080.00816.42
7.2.60.0000.01516.84
7.2.00.0040.01219.42
7.1.200.0060.00915.88
7.1.100.0000.01118.26
7.1.70.0040.00417.41
7.1.60.0060.01919.28
7.1.50.0040.01817.00
7.1.00.0070.07322.59
7.0.200.0060.01016.53
7.0.60.0100.07321.71
7.0.50.0070.04318.02
7.0.40.0030.04320.13
7.0.30.0230.04320.47
7.0.20.0200.04320.35
7.0.10.0030.06020.33
7.0.00.0230.06320.32
5.6.280.0000.05321.25
5.6.210.0070.06720.66
5.6.200.0100.07318.46
5.6.190.0070.09020.78
5.6.180.0500.06721.02
5.6.170.0230.04720.73
5.6.160.0100.03720.76
5.6.150.0130.03018.33
5.6.140.0070.03718.31
5.6.130.0070.06718.32
5.6.120.0000.05321.23
5.6.110.0030.06321.10
5.6.100.0100.04321.19
5.6.90.0000.05721.17
5.6.80.0100.07020.70
5.5.350.4230.04020.40
5.5.340.0100.07318.01
5.5.330.0130.04320.13
5.5.320.0530.07320.28
5.5.310.0300.07020.16
5.5.300.0070.08318.03
5.5.290.0070.08317.95
5.5.280.0070.03720.84
5.5.270.0100.05020.86
5.5.260.0100.08020.79
5.5.250.0070.08320.79
5.5.240.0170.07320.23

preferences:
46.26 ms | 400 KiB | 5 Q