3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$var) { $var++; } function &bar() { $a = 5; return $a; } var_dump(foo(bar()));

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)
8.3.70.0120.00916.73
8.3.60.0140.00718.56
8.3.50.0130.01021.14
8.3.40.0070.01018.76
8.3.30.0100.01020.40
8.3.20.0040.00420.59
8.3.10.0050.00320.92
8.3.00.0040.00422.44
8.2.180.0070.00716.50
8.2.170.0120.00322.96
8.2.160.0130.00620.36
8.2.150.0000.00824.18
8.2.140.0080.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00420.95
8.2.110.0030.00722.24
8.2.100.0120.00018.95
8.2.90.0030.00517.50
8.2.80.0030.00517.97
8.2.70.0050.00317.91
8.2.60.0000.00817.78
8.2.50.0000.00818.10
8.2.40.0040.00420.48
8.2.30.0030.00619.36
8.2.20.0040.00417.65
8.2.10.0000.00717.67
8.2.00.0040.00417.73
8.1.280.0090.00925.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0050.00322.14
8.1.230.0080.00419.16
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0060.00317.00
8.1.190.0000.00819.07
8.1.180.0090.00018.10
8.1.170.0000.00818.50
8.1.160.0000.00718.82
8.1.150.0000.00718.49
8.1.140.0040.00417.31
8.1.130.0050.00217.73
8.1.120.0000.00717.37
8.1.110.0110.00217.29
8.1.100.0070.00317.34
8.1.90.0040.00817.33
8.1.80.0090.00517.39
8.1.70.0110.00317.37
8.1.60.0070.00517.54
8.1.50.0050.00817.47
8.1.40.0110.00517.49
8.1.30.0050.00817.59
8.1.20.0100.00417.65
8.1.10.0080.00617.49
8.1.00.0080.00417.38
8.0.300.0050.00219.52
8.0.290.0060.00316.63
8.0.280.0030.00318.39
8.0.270.0080.00017.20
8.0.260.0030.00316.81
8.0.250.0030.00316.79
8.0.240.0120.00016.88
8.0.230.0040.00616.83
8.0.220.0050.00516.85
8.0.210.0070.00616.80
8.0.200.0050.00716.81
8.0.190.0080.00416.81
8.0.180.0090.00416.78
8.0.170.0090.00416.80
8.0.160.0060.00716.75
8.0.150.0070.00616.73
8.0.140.0080.00616.74
8.0.130.0070.00615.54
8.0.120.0050.00816.82
8.0.110.0090.00416.74
8.0.100.0070.00516.75
8.0.90.0030.00816.80
8.0.80.0090.00616.79
8.0.70.0080.00416.89
8.0.60.0070.00516.79
8.0.50.0090.00316.69
8.0.30.0080.00816.86
8.0.20.0120.00816.99
8.0.10.0080.00316.91
8.0.00.0110.00416.82
7.4.330.0000.00616.83
7.4.320.0090.00516.45
7.4.300.0070.00216.41
7.4.290.0070.00616.56
7.4.280.0110.00216.56
7.4.270.0080.00516.43
7.4.260.0070.00515.43
7.4.250.0030.00916.45
7.4.240.0080.00416.55
7.4.230.0060.00616.46
7.4.220.0110.00716.52
7.4.210.0090.00516.54
7.4.200.0090.00416.44
7.4.190.0120.00116.62
7.4.180.0110.00316.62
7.4.160.0140.00316.54
7.4.150.0130.00516.73
7.4.140.0080.00817.13
7.4.130.0080.00816.47
7.4.120.0100.00816.37
7.4.110.0060.00816.43
7.4.100.0100.00616.49
7.4.90.0100.00416.46
7.4.80.0090.00617.44
7.4.70.0110.00316.44
7.4.60.0100.00416.47
7.4.50.0060.00616.36
7.4.40.0070.00518.45
7.4.30.0110.00516.27
7.4.20.0090.00316.37
7.4.10.0090.00316.25
7.4.00.0080.00515.88
7.3.330.0090.00315.21
7.3.320.0100.00315.19
7.3.310.0090.00516.28
7.3.300.0070.00716.26
7.3.290.0130.00316.29
7.3.280.0110.00616.30
7.3.270.0130.00416.68
7.3.260.0140.00517.40
7.3.250.0110.01016.31
7.3.240.0130.00616.25
7.3.230.0070.01116.34
7.3.220.0100.00616.30
7.3.210.0140.00516.36
7.3.200.0080.01017.34
7.3.190.0130.00516.24
7.3.180.0140.00416.34
7.3.170.0120.00516.29
7.3.160.0100.00816.25
7.3.150.0120.00516.24
7.3.140.0120.00716.21
7.3.130.0140.00416.34
7.3.120.0130.00515.78
7.3.110.0120.00615.56
7.3.100.0130.00415.76
7.3.90.0100.00415.87
7.3.80.0120.00315.70
7.3.70.0120.00215.76
7.3.60.0100.00615.77
7.3.50.0130.00415.78
7.3.40.0120.00315.82
7.3.30.0110.00515.82
7.3.20.0110.00317.06
7.3.10.0150.00416.47
7.3.00.0160.00716.49
7.2.340.0130.00516.28
7.2.330.0140.00316.28
7.2.320.0140.00516.34
7.2.310.0130.00516.31
7.2.300.0110.00616.31
7.2.290.0110.00616.34
7.2.280.0110.00616.19
7.2.270.0120.00416.15
7.2.260.0070.00916.30
7.2.250.0100.00616.23
7.2.240.0110.00715.73
7.2.230.0090.00615.80
7.2.220.0080.00515.75
7.2.210.0110.00415.69
7.2.200.0130.00315.91
7.2.190.0130.00215.88
7.2.180.0100.00415.85
7.2.170.0090.00715.96
7.2.160.0100.00415.96
7.2.150.0100.00617.14
7.2.140.0110.00517.19
7.2.130.0240.00316.67
7.2.120.0150.00616.57
7.2.110.0190.00316.65
7.2.100.0120.00916.60
7.2.90.0180.00516.65
7.2.80.0170.00416.67
7.2.70.0140.00716.64
7.2.60.0130.00916.70
7.2.50.0160.00716.69
7.2.40.0170.00616.66
7.2.30.0140.00516.72
7.2.20.0120.00916.61
7.2.10.0130.00716.64
7.2.00.0150.00616.58
7.1.330.0090.00716.22
7.1.320.0090.00516.23
7.1.310.0130.00116.17
7.1.300.0110.00316.15
7.1.290.0070.00616.07
7.1.280.0070.00816.12
7.1.270.0100.00316.15
7.1.260.0080.00816.11
7.1.250.0170.00615.58
7.1.240.0190.00515.31
7.1.230.0200.00215.51
7.1.220.0190.00615.46
7.1.210.0200.00515.57
7.1.200.0190.00315.57
7.1.190.0210.00315.52
7.1.180.0190.00415.46
7.1.170.0300.00115.41
7.1.160.0270.00515.50
7.1.150.0190.00815.43
7.1.140.0190.00615.50
7.1.130.0200.00515.50
7.1.120.0260.00515.50
7.1.110.0190.00315.45
7.1.100.0210.00515.47
7.1.90.0260.00315.43
7.1.80.0260.00615.55
7.1.70.0140.00515.75
7.1.60.0170.00716.38
7.1.50.0150.00915.82
7.1.40.0170.00515.44
7.1.30.0250.00415.51
7.1.20.0300.00215.38
7.1.10.0200.00915.43
7.1.00.0170.01717.13
7.0.330.0200.00515.18
7.0.320.0180.00215.24
7.0.310.0160.00715.15
7.0.300.0140.00615.21
7.0.290.0320.00515.24
7.0.280.0170.00515.21
7.0.270.0170.00415.33
7.0.260.0250.00515.07
7.0.250.0180.00615.17
7.0.240.0210.00415.21
7.0.230.0210.00315.21
7.0.220.0190.00615.22
7.0.210.0200.00515.22
7.0.200.0180.00315.55
7.0.190.0220.00115.14
7.0.180.0170.00515.09
7.0.170.0300.00715.22
7.0.160.0200.00515.13
7.0.150.0200.00715.11
7.0.140.0220.02116.87
7.0.130.0320.00215.27
7.0.120.0440.00315.29
7.0.110.0260.00614.98
7.0.100.0180.00815.12
7.0.90.0320.00015.14
7.0.80.0250.00215.11
7.0.70.0290.00315.23
7.0.60.0140.02316.36
7.0.50.0140.02515.84
7.0.40.0180.01816.46
7.0.30.0220.01616.52
7.0.20.0250.02216.51
7.0.10.0180.02516.42
7.0.00.0200.02616.44
5.6.400.0120.00315.66
5.6.390.0100.00415.52
5.6.380.0070.00715.25
5.6.370.0060.00815.09
5.6.360.0110.00315.14
5.6.350.0120.00315.25
5.6.340.0120.00515.02
5.6.330.0070.00815.25
5.6.320.0130.00515.15
5.6.310.0110.00315.27
5.6.300.0130.00515.21
5.6.290.0110.00515.17
5.6.280.0110.02216.67
5.6.270.0100.00615.12
5.6.260.0110.00515.14
5.6.250.0070.01015.13
5.6.240.0100.00615.20
5.6.230.0090.00515.31
5.6.220.0050.01115.31
5.6.210.0110.02416.58
5.6.200.0080.02715.98
5.6.190.0130.02516.49
5.6.180.0130.02316.47
5.6.170.0200.01616.63
5.6.160.0120.02316.53
5.6.150.0120.01215.93
5.6.140.0100.01816.00
5.6.130.0060.01815.98
5.6.120.0110.02916.78
5.6.110.0090.03016.68
5.6.100.0110.01416.71
5.6.90.0100.02416.55
5.6.80.0150.02016.43
5.6.70.1020.00816.50
5.6.60.0120.00615.32
5.6.50.0130.00515.08
5.6.40.0120.00315.16
5.6.30.0100.00715.11
5.6.20.0130.00515.01
5.6.10.0120.00415.15
5.6.00.0120.00515.08
5.5.380.0100.00514.15
5.5.370.0050.00714.14
5.5.360.0090.00714.18
5.5.350.0120.02315.58
5.5.340.0070.01514.98
5.5.330.0100.02515.67
5.5.320.0080.01815.64
5.5.310.0120.02515.65
5.5.300.0090.02215.06
5.5.290.0090.01714.93
5.5.280.0100.02515.82
5.5.270.0120.01915.70
5.5.260.0110.02215.73
5.5.250.0080.01315.74
5.5.240.0120.01815.77
5.5.230.0080.00514.20
5.5.220.0110.00714.04
5.5.210.0090.00814.12
5.5.200.0110.00614.07
5.5.190.0070.01013.92
5.5.180.0100.00214.02
5.5.170.0110.00614.02
5.5.160.0110.00314.04
5.5.150.0090.00814.01
5.5.140.0100.00313.92
5.5.130.0130.00213.96
5.5.120.0110.00514.00
5.5.110.0100.00513.94
5.5.100.0100.00614.10
5.5.90.0070.00514.07
5.5.80.0090.00514.06
5.5.70.0090.00914.10
5.5.60.0130.00414.06
5.5.50.0110.00314.07
5.5.40.0100.00314.15
5.5.30.0090.00514.18
5.5.20.0080.00414.00
5.5.10.0110.00514.12
5.5.00.0100.00513.80
5.4.450.0160.01813.91
5.4.440.0150.02213.97
5.4.430.0120.02013.90
5.4.420.0180.01713.99
5.4.410.0110.01613.89
5.4.400.0150.01713.79
5.4.390.0100.02013.81
5.4.380.0160.01813.84
5.4.370.0160.01213.73
5.4.360.0140.01713.77
5.4.350.0160.01613.80
5.4.340.0110.01813.82
5.4.330.0070.00711.90
5.4.320.0160.01413.79
5.4.310.0130.01213.72
5.4.300.0120.01913.86
5.4.290.0160.01413.67
5.4.280.0130.01613.78
5.4.270.0160.01713.79
5.4.260.0160.01913.76
5.4.250.0130.01413.71
5.4.240.0120.01713.75
5.4.230.0110.01513.64
5.4.220.0130.01913.68
5.4.210.0130.01713.55
5.4.200.0150.02013.66
5.4.190.0150.01713.73
5.4.180.0150.02113.56
5.4.170.0150.01813.52
5.4.160.0100.01613.75
5.4.150.0190.01913.78
5.4.140.0130.02013.16
5.4.130.0160.01613.19
5.4.120.0150.01713.07
5.4.110.0130.01613.12
5.4.100.0110.02413.17
5.4.90.0120.01913.26
5.4.80.0120.01213.17
5.4.70.0110.01113.05
5.4.60.0140.01013.09
5.4.50.0090.01313.13
5.4.40.0090.01213.07
5.4.30.0100.01313.13
5.4.20.0110.01113.21
5.4.10.0100.01313.14
5.4.00.0130.01013.02
5.3.290.0130.01612.82
5.3.280.0160.01712.66
5.3.270.0130.01712.74
5.3.260.0120.02212.65
5.3.250.0140.01512.66
5.3.240.0120.02012.64
5.3.230.0130.02312.72
5.3.220.0130.01512.57
5.3.210.0140.02012.71
5.3.200.0140.02112.60
5.3.190.0110.01512.70
5.3.180.0090.01712.76
5.3.170.0110.01312.67
5.3.160.0100.01212.74
5.3.150.0100.01212.81
5.3.140.0100.01312.75
5.3.130.0140.01212.61
5.3.120.0130.01012.65
5.3.110.0130.01212.67
5.3.100.0120.01212.58
5.3.90.0120.01312.57
5.3.80.0120.01512.55
5.3.70.0110.01112.52
5.3.60.0110.01812.67
5.3.50.0110.01612.56
5.3.40.0110.01112.51
5.3.30.0080.01312.53
5.3.20.0100.01112.52
5.3.10.0120.01112.41
5.3.00.0080.01412.29

preferences:
53.54 ms | 401 KiB | 5 Q