3v4l.org

run code in 300+ PHP versions simultaneously
<?php function increase(&$a) { return $a++; } $a = 2; $b = increase($a); $a++; echo $a.$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)
8.3.70.0130.00918.27
8.3.60.0060.01418.30
8.3.50.0100.01022.09
8.3.40.0140.00418.54
8.3.30.0030.01219.04
8.3.20.0050.00320.16
8.3.10.0090.00020.54
8.3.00.0080.00019.26
8.2.180.0120.00816.38
8.2.170.0120.00322.96
8.2.160.0100.00320.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0040.00422.24
8.2.110.0070.01022.25
8.2.100.0110.00017.72
8.2.90.0000.00719.21
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0040.00417.92
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0040.00419.35
8.2.20.0040.00417.66
8.2.10.0030.00518.08
8.2.00.0000.00717.62
8.1.280.0070.01525.92
8.1.270.0000.00821.93
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0080.00323.97
8.1.230.0080.00418.82
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0040.00418.34
8.1.160.0040.00421.96
8.1.150.0040.00418.87
8.1.140.0000.00717.36
8.1.130.0030.00317.82
8.1.120.0040.00417.37
8.1.110.0000.00717.44
8.1.100.0030.00517.37
8.1.90.0070.00017.43
8.1.80.0070.00017.46
8.1.70.0040.00417.32
8.1.60.0050.00317.64
8.1.50.0000.00917.43
8.1.40.0050.00217.52
8.1.30.0030.00617.55
8.1.20.0040.00417.59
8.1.10.0040.00417.44
8.1.00.0030.00517.48
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.45
8.0.270.0000.00717.19
8.0.260.0090.00017.32
8.0.250.0070.00016.93
8.0.240.0080.00016.96
8.0.230.0000.00716.93
8.0.220.0030.00316.79
8.0.210.0030.00316.84
8.0.200.0000.00617.00
8.0.190.0070.00016.88
8.0.180.0040.00416.90
8.0.170.0050.00316.94
8.0.160.0030.00416.96
8.0.150.0000.00716.84
8.0.140.0000.00716.87
8.0.130.0000.00713.36
8.0.120.0000.00816.94
8.0.110.0040.00416.91
8.0.100.0070.00016.85
8.0.90.0030.00516.76
8.0.80.0120.00616.95
8.0.70.0030.00316.94
8.0.60.0000.00716.78
8.0.50.0070.00016.76
8.0.30.0110.01017.12
8.0.20.0080.01117.40
8.0.10.0000.00916.98
8.0.00.0090.01016.73
7.4.330.0050.00015.04
7.4.320.0000.00716.49
7.4.300.0000.00616.61
7.4.290.0070.00016.59
7.4.280.0070.00016.57
7.4.270.0000.00716.58
7.4.260.0000.00716.41
7.4.250.0000.00716.61
7.4.240.0030.00416.56
7.4.230.0000.00716.56
7.4.220.0070.01016.67
7.4.210.0070.01016.62
7.4.200.0000.00816.36
7.4.160.0080.00816.37
7.4.150.0090.00817.40
7.4.140.0080.01017.86
7.4.130.0120.00416.56
7.4.120.0120.00616.52
7.4.110.0070.01016.73
7.4.100.0090.01216.43
7.4.90.0140.00416.34
7.4.80.0070.01019.39
7.4.70.0150.03316.48
7.4.60.0070.01016.49
7.4.50.0000.00816.54
7.4.40.0080.00816.33
7.4.30.0080.00816.26
7.4.00.0070.00714.79
7.3.330.0000.00613.27
7.3.320.0030.00313.12
7.3.310.0030.00316.25
7.3.300.0030.00316.20
7.3.290.0110.00316.21
7.3.280.0070.01016.26
7.3.270.0130.00317.40
7.3.260.0160.00016.26
7.3.250.0140.00516.40
7.3.240.0030.01316.40
7.3.230.0100.00716.39
7.3.210.0150.00416.45
7.3.200.0120.00916.57
7.3.190.0110.01216.57
7.3.180.0100.00716.45
7.3.170.0130.00316.32
7.3.160.0100.00716.33
7.2.330.0160.00216.41
7.2.320.0070.01016.65
7.2.310.0040.01316.74
7.2.300.0090.00616.44
7.2.290.0100.01316.75
7.2.110.0030.01016.40
7.2.100.0030.00916.52
7.2.90.0060.00616.48
7.2.80.0030.01016.71
7.2.70.0060.00816.73
7.2.60.0030.01016.68
7.2.50.0090.00516.90
7.2.40.0000.01716.96
7.2.30.0040.00816.95
7.2.20.0070.00716.68
7.2.10.0070.00716.68
7.2.00.0070.00316.81
7.1.230.0030.00915.66
7.1.220.0100.00315.30
7.1.210.0110.00415.50
7.1.200.0050.00615.66
7.1.190.0120.00015.55
7.1.180.0060.00615.54
7.1.170.0070.00715.53
7.1.160.0070.00715.52
7.1.150.0070.00715.78
7.1.140.0090.00315.73
7.1.130.0030.00715.54
7.1.120.0030.01015.64
7.1.110.0060.00615.73
7.1.100.0040.01115.82
7.1.90.0060.00615.46
7.1.80.0070.00715.33
7.1.70.0070.00716.23
7.1.60.0080.01317.42
7.1.50.0070.00716.43
7.1.40.0030.01315.97
7.1.30.0060.00615.49
7.1.20.0040.01515.64
7.1.10.0000.01015.56
7.1.00.0050.04019.10
7.0.310.0070.00715.21
7.0.300.0040.01115.34
7.0.290.0030.00915.50
7.0.280.0040.01114.94
7.0.270.0070.00715.34
7.0.260.0060.00615.09
7.0.250.0000.00815.39
7.0.240.0040.01115.04
7.0.230.0070.00715.38
7.0.220.0030.00515.38
7.0.210.0030.01015.09
7.0.200.0040.00516.14
7.0.190.0100.00015.13
7.0.180.0030.01015.25
7.0.170.0030.01015.36
7.0.160.0030.00515.45
7.0.150.0040.00415.37
7.0.140.0080.03718.64
7.0.130.0030.00615.21
7.0.120.0040.00415.49
7.0.110.0040.00415.38
7.0.100.0040.00815.20
7.0.90.0000.01015.29
7.0.80.0000.01215.54
7.0.70.0040.00415.38
7.0.60.0030.05117.74
7.0.50.0110.03016.65
7.0.40.0100.04516.79
7.0.30.0140.03116.89
7.0.20.0150.04016.66
7.0.10.0020.05316.82
7.0.00.0070.02016.62
5.6.380.0030.00914.28
5.6.370.0080.00614.27
5.6.360.0090.00414.02
5.6.350.0070.00714.41
5.6.340.0100.00014.48
5.6.330.0060.00614.29
5.6.320.0060.00614.15
5.6.310.0090.00614.60
5.6.300.0070.00714.25
5.6.290.0060.00614.30
5.6.280.0040.04117.78
5.6.270.0000.01714.20
5.6.260.0070.00714.30
5.6.250.0090.00614.40
5.6.240.0060.00614.44
5.6.230.0060.00614.20
5.6.220.0060.01014.34
5.6.210.0080.04317.51
5.6.200.0030.03216.39
5.6.190.0100.04017.39
5.6.180.0270.03017.36
5.6.170.0220.03517.32
5.6.160.0070.03317.20
5.6.150.0050.04316.22
5.6.140.0030.02516.15
5.6.130.0020.03216.12
5.6.120.0100.04217.71
5.6.110.0070.02017.68
5.6.100.0120.03717.61
5.6.90.0050.02717.39
5.6.80.0030.04517.24
5.6.70.1920.01817.28
5.6.60.0070.00714.10
5.6.50.0120.00313.94
5.6.40.0030.00514.34
5.6.30.0070.00713.95
5.6.20.0000.01514.09
5.6.10.0060.00314.07
5.6.00.0040.00814.19
5.5.380.0050.00012.79
5.5.370.0030.00712.79
5.5.360.0060.00312.79
5.5.350.0170.03216.61
5.5.340.0070.03515.37
5.5.330.0080.04216.57
5.5.320.0200.03916.64
5.5.310.0100.02916.53
5.5.300.0050.02615.35
5.5.290.0030.02215.40
5.5.280.0040.02016.87
5.5.270.0020.03316.83
5.5.260.0050.02616.88
5.5.250.0080.04016.67
5.5.240.0150.02416.53
5.5.230.0100.00012.79
5.5.220.0050.00012.79
5.5.210.0070.00312.79
5.5.200.0090.00012.79
5.5.190.0000.00612.79
5.5.180.0030.00612.79
5.5.170.0100.00613.89
5.5.160.0070.00412.79
5.5.150.0070.00012.79
5.5.140.0000.00912.79
5.5.130.0060.00612.79
5.5.120.0030.00312.79
5.5.110.0000.01112.79
5.5.100.0000.01212.79
5.5.90.0030.00712.79
5.5.80.0030.00712.79
5.5.70.0000.01012.79
5.5.60.0000.01212.79
5.5.50.0030.00812.79
5.5.40.0060.00312.79
5.5.30.0030.00512.79
5.5.20.0060.00312.79
5.5.10.0040.00712.79
5.5.00.0080.00312.79
5.4.450.0390.02716.21
5.4.440.0230.02316.12
5.4.430.0200.01716.12
5.4.420.0200.02316.12
5.4.410.0120.02716.12
5.4.400.0080.02316.12
5.4.390.0480.02016.12
5.4.380.0150.03915.65
5.4.370.0200.03015.67
5.4.360.0260.02015.65
5.4.350.0180.03015.65
5.4.340.0290.02915.77
5.4.330.0090.00012.79
5.4.320.0050.02712.65
5.4.310.0050.02112.64
5.4.300.0070.02012.64
5.4.290.0050.02212.64
5.4.280.0060.01712.59
5.4.270.0060.01912.59
5.4.260.0050.02012.60
5.4.250.0030.02512.60
5.4.240.0040.02012.59
5.4.230.0050.02712.59
5.4.220.0070.02212.59
5.4.210.0040.02212.59
5.4.200.0060.02112.59
5.4.190.0040.02212.59
5.4.180.0070.01912.59
5.4.170.0070.01812.59
5.4.160.0060.02012.59
5.4.150.0070.01812.59
5.4.140.0050.02012.43
5.4.130.0060.02412.42
5.4.120.0030.02312.40
5.4.110.0110.01912.40
5.4.100.0070.02412.40
5.4.90.0060.02312.40
5.4.80.0070.02112.40
5.4.70.0040.02312.40
5.4.60.0090.01812.40
5.4.50.0070.02012.40
5.4.40.0060.01912.39
5.4.30.0040.02312.39
5.4.20.0090.02112.39
5.4.10.0050.02112.39
5.4.00.0070.02012.14
5.3.290.0030.02512.80
5.3.280.0060.02012.75
5.3.270.0040.02412.76
5.3.260.0060.02012.76
5.3.250.0070.02112.76
5.3.240.0040.02212.76
5.3.230.0060.02112.75
5.3.220.0070.01912.73
5.3.210.0050.02312.73
5.3.200.0040.02012.73
5.3.190.0020.02412.73
5.3.180.0060.02112.73
5.3.170.0060.02412.73
5.3.160.0060.02112.73
5.3.150.0050.01912.73
5.3.140.0050.02212.72
5.3.130.0050.02012.72
5.3.120.0060.02312.72
5.3.110.0040.02512.72
5.3.100.0070.02012.46
5.3.90.0040.02412.45
5.3.80.0070.02312.44
5.3.70.0060.02012.44
5.3.60.0050.02412.43
5.3.50.0050.02312.40
5.3.40.0020.02512.40
5.3.30.0040.02012.38
5.3.20.0050.02012.28
5.3.10.0040.02312.26
5.3.00.0050.02812.25
5.2.170.0090.01611.00
5.2.160.0040.02111.00
5.2.150.0020.02211.00
5.2.140.0020.01911.00
5.2.130.0040.01810.98
5.2.120.0060.01610.98
5.2.110.0060.01710.98
5.2.100.0040.01710.98
5.2.90.0030.01810.98
5.2.80.0020.02010.98
5.2.70.0040.02210.98
5.2.60.0040.02110.96
5.2.50.0060.01910.94
5.2.40.0030.01910.93
5.2.30.0030.01710.92
5.2.20.0040.02110.91
5.2.10.0040.01710.87
5.2.00.0080.01510.79
5.1.60.0060.01310.44
5.1.50.0050.01810.44
5.1.40.0050.01410.42
5.1.30.0070.01510.60
5.1.20.0010.01610.61
5.1.10.0020.01610.47
5.1.00.0030.01810.47
5.0.50.0020.0149.71
5.0.40.0040.0119.64
5.0.30.0020.0219.55
5.0.20.0040.0129.53
5.0.10.0050.0129.52
5.0.00.0040.0169.52
4.4.90.0010.0148.78
4.4.80.0030.0128.77
4.4.70.0030.0108.77
4.4.60.0030.0148.77
4.4.50.0040.0118.78
4.4.40.0030.0168.75
4.4.30.0040.0118.78
4.4.20.0050.0098.82
4.4.10.0040.0108.82
4.4.00.0020.0158.77
4.3.110.0020.0108.73
4.3.100.0050.0088.73
4.3.90.0040.0078.71
4.3.80.0030.0138.69
4.3.70.0010.0108.71
4.3.60.0020.0128.71
4.3.50.0030.0098.71
4.3.40.0030.0148.66
4.3.30.0030.0108.04
4.3.20.0040.0088.03
4.3.10.0020.0108.01
4.3.00.0030.01016.12

preferences:
38.47 ms | 401 KiB | 5 Q