3v4l.org

run code in 300+ PHP versions simultaneously
<?php #### Option 1: Restricted type values // booleans $a = false; ++$a; // bool(true) ++$a; // bool(true) $a = true; --$a; // bool(false) --$a; // bool(false) // null values $a = null; --$a; // null $a = null; ++$a; // null // empty strings $a = ''; ++$a; // int(1) #### Option 2: Integer values // booleans $a = false; ++$a; // bool(true) ++$a; // int(2) $a = true; --$a; // bool(false) --$a; // int(-1) // null values $a = null; --$a; echo $a; // int(-1) $a = null; ++$a; echo $a; // int(1) #### non-numeric strings $a = '12d9'; ++$a; // string(4) "12e0" + Notice: String increment is deprecated, use str_inc() instead in php shell code on line 1 echo $a; ++$a; // float(13) echo $a;

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)
8.3.60.0110.00716.88
8.3.50.0140.00318.30
8.3.40.0000.01418.79
8.3.30.0100.00318.86
8.3.20.0030.00620.16
8.3.10.0030.00623.64
8.3.00.0080.00019.56
8.2.180.0110.00816.32
8.2.170.0070.00722.96
8.2.160.0030.01020.51
8.2.150.0040.00424.18
8.2.140.0130.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00317.50
8.2.110.0040.00422.25
8.2.100.0030.01217.61
8.2.90.0050.00319.22
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0050.00319.88
8.2.30.0070.00018.29
8.2.20.0060.00317.61
8.2.10.0040.00417.96
8.2.00.0050.00217.73
8.1.270.0050.00523.69
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0070.00323.98
8.1.230.0070.00318.99
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0050.00318.64
8.1.160.0000.00821.93
8.1.150.0030.00518.44
8.1.140.0080.00017.49
8.1.130.0030.00317.86
8.1.120.0040.00417.29
8.1.110.0050.00317.34
8.1.100.0040.00317.34
8.1.90.0030.00317.35
8.1.80.0030.00317.29
8.1.70.0000.00717.33
8.1.60.0050.00317.40
8.1.50.0040.00417.34
8.1.40.0000.00717.38
8.1.30.0050.00317.54
8.1.20.0020.00517.63
8.1.10.0060.00317.53
8.1.00.0040.00417.44
8.0.300.0030.00318.77
8.0.290.0070.00016.75
8.0.280.0000.00718.43
8.0.270.0000.00717.26
8.0.260.0000.00717.25
8.0.250.0000.00716.94
8.0.240.0080.00016.97
8.0.230.0030.00316.85
8.0.220.0030.00316.84
8.0.210.0000.00616.92
8.0.200.0030.00316.85
8.0.190.0030.00616.86
8.0.180.0040.00416.74
8.0.170.0000.00816.75
8.0.160.0070.00016.77
8.0.150.0000.00816.72
8.0.140.0000.00816.73
8.0.130.0050.00013.29
8.0.120.0030.00516.69
8.0.110.0040.00416.69
8.0.100.0000.00716.81
8.0.90.0040.00416.66
8.0.80.0000.02116.71
8.0.70.0030.00316.78
8.0.60.0000.00716.85
8.0.50.0050.00316.81
8.0.30.0140.00717.18
8.0.20.0070.01617.40
8.0.10.0040.00416.84
8.0.00.0090.00916.71
7.4.330.0060.00015.00
7.4.320.0040.00416.46
7.4.300.0030.00316.44
7.4.290.0000.00716.57
7.4.280.0040.00416.38
7.4.270.0070.00016.45
7.4.260.0020.00516.49
7.4.250.0000.00716.51
7.4.240.0040.00316.54
7.4.230.0000.00716.57
7.4.220.0130.00716.48
7.4.210.0030.01016.64
7.4.200.0000.00716.42
7.4.160.0060.01116.55
7.4.150.0160.01017.40
7.4.140.0110.00917.86
7.4.130.0080.00916.37
7.4.120.0100.00816.43
7.4.110.0100.01016.46
7.4.100.0080.01116.48
7.4.90.0060.00916.41
7.4.80.0090.01219.39
7.4.70.0060.01216.49
7.4.60.0060.01016.45
7.4.50.0050.00016.36
7.4.40.0040.01516.14
7.4.30.0080.00816.37
7.4.00.0090.00614.88
7.3.330.0000.00513.01
7.3.320.0000.00512.98
7.3.310.0000.00616.10
7.3.300.0000.00816.27
7.3.290.0170.00316.20
7.3.280.0090.01116.26
7.3.270.0120.00417.40
7.3.260.0060.01316.50
7.3.250.0060.01416.52
7.3.240.0160.00616.55
7.3.230.0030.01316.39
7.3.210.0120.00916.16
7.3.200.0160.00619.39
7.3.190.0130.00316.16
7.3.180.0080.01116.32
7.3.170.0070.01016.51
7.3.160.0000.01616.19
7.3.120.0080.01014.62
7.3.110.0080.00814.60
7.3.100.0110.00014.65
7.3.90.0050.00814.86
7.3.80.0080.00714.96
7.3.70.0030.01014.64
7.3.60.0080.00814.63
7.3.50.0060.01114.69
7.3.40.0060.00714.77
7.3.30.0080.00414.65
7.3.20.0100.00316.67
7.3.10.0000.01516.64
7.3.00.0090.00616.36
7.2.330.0060.01016.71
7.2.320.0030.01316.59
7.2.310.0160.00716.74
7.2.300.0060.00916.37
7.2.290.0120.00616.56
7.2.250.0090.00914.77
7.2.240.0050.01115.00
7.2.230.0040.01014.93
7.2.220.0070.00914.85
7.2.210.0070.00714.94
7.2.200.0080.00814.88
7.2.190.0050.00914.74
7.2.180.0060.01114.90
7.2.170.0060.01214.92
7.2.160.0030.01215.09
7.2.150.0080.00816.90
7.2.140.0030.00916.68
7.2.130.0060.00617.02
7.2.120.0070.00716.77
7.2.110.0100.00316.87
7.2.100.0100.00616.98
7.2.90.0070.01016.72
7.2.80.0040.00816.78
7.2.70.0040.01116.88
7.2.60.0070.01116.96
7.2.50.0110.00016.89
7.2.40.0040.01116.60
7.2.30.0040.01117.01
7.2.20.0100.00716.92
7.2.10.0080.00616.93
7.2.00.0070.00817.99
7.1.330.0080.00815.67
7.1.320.0090.00615.76
7.1.310.0030.00815.61
7.1.300.0080.00715.70
7.1.290.0050.01015.58
7.1.280.0090.00515.63
7.1.270.0100.00515.64
7.1.260.0060.00515.62
7.1.250.0100.00315.64
7.1.100.0000.01117.95
7.1.70.0080.00017.09
7.1.60.0100.01419.70
7.1.50.0140.01016.96
7.1.00.0000.08022.28
7.0.200.0000.01016.68
7.0.140.0100.06722.12
7.0.60.0070.03719.88
7.0.50.0070.07717.85
7.0.40.0070.04019.90
7.0.30.0170.04320.10
7.0.20.0330.08020.19
7.0.10.0170.05720.18
7.0.00.0130.03720.16
5.6.280.0100.06721.07
5.6.210.0030.07720.62
5.6.200.0030.07318.06
5.6.190.0100.08320.57
5.6.180.0130.03720.39
5.6.170.0230.05320.51
5.6.160.0070.06020.51
5.6.150.0030.03718.08
5.6.140.0270.04718.13
5.6.130.0070.05718.18
5.6.120.0030.07720.98
5.6.110.0030.04021.08
5.6.100.0030.09021.10
5.6.90.0170.08021.09
5.6.80.0170.07020.35
5.6.70.4400.03720.27
5.5.350.0130.07020.43
5.5.340.0000.04317.91
5.5.330.0100.05720.25
5.5.320.0230.04020.41
5.5.310.0300.06720.15
5.5.300.0070.05318.02
5.5.290.0030.05718.01
5.5.280.0000.05720.79
5.5.270.0030.07020.79
5.5.260.0070.04320.75
5.5.250.0070.04020.46
5.5.240.0100.05720.25
5.4.450.0230.05043.87
5.4.440.0330.05043.79
5.4.430.0300.04343.77
5.4.420.0370.04043.77
5.4.410.0300.05043.77
5.4.400.0500.03743.77
5.4.390.0270.05743.75
5.4.380.0200.05318.57
5.4.370.0370.05018.59
5.4.360.0200.05318.68
5.4.350.0130.05718.60
5.4.340.0170.05718.61
5.4.320.0060.03612.45
5.4.310.0080.03512.45
5.4.300.0140.03912.45
5.4.290.0100.05012.45
5.4.280.0040.04812.35
5.4.270.0090.03912.34
5.4.260.0090.04312.34
5.4.250.0050.05312.35
5.4.240.0050.05212.34
5.4.230.0090.04912.34
5.4.220.0050.03912.34
5.4.210.0060.03612.34
5.4.200.0030.04212.34
5.4.190.0100.03312.33
5.4.180.0070.03512.33
5.4.170.0110.03112.35
5.4.160.0060.04212.34
5.4.150.0050.03812.34
5.4.140.0040.04612.02
5.4.130.0050.04512.01
5.4.120.0080.03811.96
5.4.110.0080.04811.96
5.4.100.0060.04211.96
5.4.90.0080.04411.96
5.4.80.0050.05211.96
5.4.70.0060.03511.96
5.4.60.0090.03711.96
5.4.50.0100.03711.96
5.4.40.0090.03211.95
5.4.30.0100.03311.95
5.4.20.0050.04011.95
5.4.10.0020.03811.95
5.4.00.0070.03411.44
5.3.290.0050.03912.80
5.3.280.0020.04112.71
5.3.270.0110.03612.73
5.3.260.0060.03812.71
5.3.250.0070.03612.72
5.3.240.0070.03612.72
5.3.230.0060.03712.71
5.3.220.0060.03712.68
5.3.210.0060.03912.68
5.3.200.0030.03912.68
5.3.190.0040.03912.68
5.3.180.0050.03812.67
5.3.170.0040.03912.67
5.3.160.0060.04012.68
5.3.150.0090.03412.67
5.3.140.0090.03412.66
5.3.130.0070.04012.66
5.3.120.0070.03812.66
5.3.110.0080.03712.66
5.3.100.0060.03612.12
5.3.90.0080.03312.08
5.3.80.0060.03612.07
5.3.70.0060.03712.07
5.3.60.0050.03712.07
5.3.50.0070.03412.00
5.3.40.0090.04212.00
5.3.30.0080.03111.95
5.3.20.0040.03611.73
5.3.10.0090.03711.69
5.3.00.0100.03711.68
5.2.170.0040.0349.18
5.2.160.0090.0329.18
5.2.150.0010.0339.18
5.2.140.0040.0319.18
5.2.130.0020.0339.14
5.2.120.0030.0309.14
5.2.110.0030.0319.15
5.2.100.0050.0379.14
5.2.90.0080.0369.14
5.2.80.0070.0289.14
5.2.70.0080.0299.14
5.2.60.0040.0319.09
5.2.50.0050.0319.05
5.2.40.0060.0279.03
5.2.30.0060.0319.02
5.2.20.0040.0299.00
5.2.10.0080.0248.95
5.2.00.0070.0348.82
5.1.60.0020.0268.09
5.1.50.0050.0268.09
5.1.40.0040.0288.08
5.1.30.0050.0288.43
5.1.20.0060.0288.45
5.1.10.0070.0248.17
5.1.00.0050.0248.17
5.0.50.0040.0206.66
5.0.40.0050.0216.52
5.0.30.0090.0346.34
5.0.20.0050.0186.32
5.0.10.0030.0206.30
5.0.00.0030.0356.29
4.4.90.0040.0174.78
4.4.80.0030.0154.76
4.4.70.0030.0164.75
4.4.60.0020.0174.76
4.4.50.0030.0204.77
4.4.40.0030.0304.71
4.4.30.0010.0214.76
4.4.20.0020.0164.85
4.4.10.0030.0214.85
4.4.00.0030.0314.76
4.3.110.0020.0204.67
4.3.100.0030.0174.66
4.3.90.0030.0144.63
4.3.80.0020.0264.59
4.3.70.0030.0144.63
4.3.60.0030.0154.63
4.3.50.0010.0174.63
4.3.40.0010.0254.54
4.3.30.0020.0163.34
4.3.20.0030.0153.32
4.3.10.0050.0193.28
4.3.00.0030.01743.73

preferences:
57.6 ms | 400 KiB | 5 Q