3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bool = false; $int = 0; echo 'is ', var_export($bool, true), ' == ', var_export($int, true), '? ', var_export($bool == $int), "\n"; $str = (string)$bool; echo 'is ', var_export($str, true), ' empty? ', var_export(empty($str)), "\n"; $int = (int)$str; echo 'is ', var_export($int, true), ' empty? ', var_export(empty($int)), "\n";

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)
8.3.60.0070.01418.55
8.3.50.0110.00621.27
8.3.40.0040.01118.62
8.3.30.0000.01320.30
8.3.20.0040.00420.14
8.3.10.0080.00022.09
8.3.00.0040.00422.58
8.2.180.0160.00616.50
8.2.170.0070.01318.82
8.2.160.0030.01722.96
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00420.63
8.2.110.0060.00322.11
8.2.100.0080.00417.78
8.2.90.0080.00019.26
8.2.80.0040.00419.38
8.2.70.0040.00817.47
8.2.60.0040.00417.78
8.2.50.0000.00918.07
8.2.40.0060.00317.91
8.2.30.0030.00519.31
8.2.20.0000.00717.56
8.2.10.0040.00417.89
8.2.00.0050.00317.73
8.1.280.0040.01125.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00523.81
8.1.230.0030.00718.95
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0070.00417.36
8.1.190.0000.00917.43
8.1.180.0040.00419.01
8.1.170.0000.00818.67
8.1.160.0100.00018.90
8.1.150.0040.00418.64
8.1.140.0030.00617.45
8.1.130.0000.00817.82
8.1.120.0000.00817.50
8.1.110.0030.00617.45
8.1.100.0020.00517.46
8.1.90.0000.00817.42
8.1.80.0030.00417.41
8.1.70.0080.00017.35
8.1.60.0030.00617.56
8.1.50.0080.00017.42
8.1.40.0040.00417.57
8.1.30.0040.00417.64
8.1.20.0060.00317.64
8.1.10.0000.00817.39
8.1.00.0040.00417.49
8.0.300.0000.00718.77
8.0.290.0030.00317.05
8.0.280.0030.00518.36
8.0.270.0000.00817.27
8.0.260.0000.00616.76
8.0.250.0000.00716.82
8.0.240.0040.00416.95
8.0.230.0000.00716.96
8.0.220.0020.00516.88
8.0.210.0060.00316.82
8.0.200.0000.00616.96
8.0.190.0040.00416.82
8.0.180.0070.00016.87
8.0.170.0040.00416.88
8.0.160.0000.00716.91
8.0.150.0030.00316.74
8.0.140.0040.00416.70
8.0.130.0030.00313.38
8.0.120.0030.00516.76
8.0.110.0070.00016.73
8.0.100.0000.00716.89
8.0.90.0040.00416.74
8.0.80.0030.01216.88
8.0.70.0040.00416.68
8.0.60.0000.00716.93
8.0.50.0040.00416.70
8.0.30.0110.01016.98
8.0.20.0070.01117.40
8.0.10.0000.00716.79
8.0.00.0060.01116.72
7.4.330.0000.00515.14
7.4.320.0030.00316.52
7.4.300.0000.00616.63
7.4.290.0030.00316.58
7.4.280.0070.00016.58
7.4.270.0000.00716.53
7.4.260.0030.00313.34
7.4.250.0040.00416.46
7.4.240.0030.00316.58
7.4.230.0070.00016.40
7.4.220.0070.01016.52
7.4.210.0070.00816.62
7.4.200.0070.00016.58
7.4.190.0070.00016.76
7.4.160.0120.00416.65
7.4.150.0040.01317.40
7.4.140.0130.00417.86
7.4.130.0100.00716.53
7.4.120.0100.01016.48
7.4.110.0110.01016.71
7.4.100.0090.00916.52
7.4.90.0090.00916.34
7.4.80.0060.01619.39
7.4.70.0140.00416.47
7.4.60.0090.00616.63
7.4.50.0040.00416.64
7.4.40.0070.00722.77
7.4.30.0090.00616.64
7.4.00.0060.01014.82
7.3.330.0000.00513.11
7.3.320.0000.00613.12
7.3.310.0000.00716.23
7.3.300.0070.00016.24
7.3.290.0140.00016.30
7.3.280.0080.00816.25
7.3.270.0160.00317.40
7.3.260.0070.01116.36
7.3.250.0110.01116.35
7.3.240.0090.00916.23
7.3.230.0080.01316.47
7.3.210.0110.01116.49
7.3.200.0100.00719.39
7.3.190.0040.01416.16
7.3.180.0130.00316.20
7.3.170.0090.00916.37
7.3.160.0120.00416.27
7.3.120.0030.01014.87
7.3.10.0080.00616.57
7.3.00.0060.00616.58
7.2.330.0080.00816.35
7.2.320.0090.01116.66
7.2.310.0180.00016.74
7.2.300.0060.01016.30
7.2.290.0030.01316.61
7.2.130.0110.00516.92
7.2.120.0060.00516.75
7.2.110.0050.00816.83
7.2.100.0080.00516.87
7.2.90.0070.00816.88
7.2.80.0060.00816.92
7.2.70.0070.00516.84
7.2.60.0010.01116.93
7.2.50.0070.00716.83
7.2.40.0100.00216.74
7.2.30.0030.01216.92
7.2.20.0050.00716.88
7.2.10.0070.00816.84
7.2.00.0070.00517.70
7.1.250.0020.01015.88
7.1.240.0140.00015.80
7.1.230.0090.00615.81
7.1.220.0070.00715.44
7.1.210.0050.00515.75
7.1.200.0040.01015.80
7.1.190.0080.00715.74
7.1.180.0000.01215.77
7.1.170.0040.01115.63
7.1.160.0000.01415.77
7.1.150.0130.00015.61
7.1.140.0110.00415.80
7.1.130.0040.00415.63
7.1.120.0030.01315.82
7.1.110.0090.00415.82
7.1.100.0060.00516.80
7.1.90.0040.00815.54
7.1.80.0000.01615.76
7.1.70.0030.00916.37
7.1.60.0100.00417.53
7.1.50.0070.01116.43
7.1.40.0070.00715.70
7.1.30.0000.01415.83
7.1.20.0110.00415.79
7.1.10.0060.00615.73
7.1.00.0050.04219.04
7.0.330.0030.00915.14
7.0.320.0040.00815.41
7.0.310.0030.01015.26
7.0.300.0030.01415.30
7.0.290.0040.01115.33
7.0.280.0060.00315.34
7.0.270.0040.00915.35
7.0.260.0120.00015.33
7.0.250.0080.00315.62
7.0.240.0100.00315.50
7.0.230.0000.01215.38
7.0.220.0030.00615.61
7.0.210.0090.00315.39
7.0.200.0070.00216.11
7.0.190.0120.00015.08
7.0.180.0030.00615.21
7.0.170.0140.00015.57
7.0.160.0100.00715.16
7.0.150.0110.00315.45
7.0.140.0050.04018.69
7.0.130.0030.01015.30
7.0.120.0120.00415.58
7.0.110.0030.01015.48
7.0.100.0000.03817.70
7.0.90.0030.04117.50
7.0.80.0090.02717.55
7.0.70.0070.03217.62
7.0.60.0070.03317.83
7.0.50.0020.02917.79
7.0.40.0050.04016.79
7.0.30.0030.04516.56
7.0.20.0030.04816.66
7.0.10.0030.03116.79
7.0.00.0020.03416.75
5.6.380.0060.00614.45
5.6.370.0090.00314.10
5.6.360.0060.00914.09
5.6.350.0040.01214.30
5.6.340.0070.00714.36
5.6.330.0030.01014.15
5.6.320.0000.01514.28
5.6.310.0060.00614.05
5.6.300.0100.00614.15
5.6.290.0030.00914.33
5.6.280.0050.04017.74
5.6.270.0070.00714.01
5.6.260.0030.01014.36
5.6.250.0090.03617.33
5.6.240.0070.04617.49
5.6.230.0100.03517.39
5.6.220.0030.02717.43
5.6.210.0030.04117.30
5.6.200.0050.03317.44
5.6.190.0080.02217.56
5.6.180.0070.04317.63
5.6.170.0090.03817.66
5.6.160.0030.03717.71
5.6.150.0030.03017.69
5.6.140.0070.03217.59
5.6.130.0110.03517.58
5.6.120.0020.03517.50
5.6.110.0090.03117.64
5.6.100.0060.04017.55
5.6.90.0070.03217.57
5.6.80.0110.03717.28
5.6.70.0100.02017.29
5.6.60.0050.03617.31
5.6.50.0070.03317.18
5.6.40.0130.03217.30
5.6.30.0050.03217.24
5.6.20.0050.03017.13
5.6.10.0030.03517.26
5.6.00.0050.03817.18
5.5.380.0080.02215.64
5.5.370.0060.02615.70
5.5.360.0050.03215.60
5.5.350.0030.03515.72
5.5.340.0030.03015.92
5.5.330.0040.03215.94
5.5.320.0080.03515.90
5.5.310.0100.04215.89
5.5.300.0070.03215.90
5.5.290.0030.03515.97
5.5.280.0010.02915.83
5.5.270.0100.04015.97
5.5.260.0030.04915.79
5.5.250.0080.02815.68
5.5.240.0020.02415.54
5.5.230.0050.03515.64
5.5.220.0030.02815.58
5.5.210.0080.03815.55
5.5.200.0100.03315.52
5.5.190.0040.02715.51
5.5.180.0000.03415.28
5.5.170.0060.00610.98
5.5.160.0060.02815.55
5.5.150.0050.02315.48
5.5.140.0050.04215.52
5.5.130.0090.03715.59
5.5.120.0060.03015.65
5.5.110.0070.02815.53
5.5.100.0030.04015.52
5.5.90.0110.03615.32
5.5.80.0070.03815.28
5.5.70.0090.03315.32
5.5.60.0060.04015.38
5.5.50.0030.04415.40
5.5.40.0120.02215.51
5.5.30.0070.04015.26
5.5.20.0050.03015.48
5.5.10.0050.03315.51
5.5.00.0070.02715.34
5.4.450.0050.03515.07
5.4.440.0030.03815.04
5.4.430.0070.03015.15
5.4.420.0050.04214.95
5.4.410.0030.04014.99
5.4.400.0020.02514.93
5.4.390.0040.02715.04
5.4.380.0050.03214.99
5.4.370.0000.03215.00
5.4.360.0030.03514.95
5.4.350.0050.02715.01
5.4.340.0080.02815.04
5.4.330.0060.00310.77
5.4.320.0030.03514.88
5.4.310.0020.02814.88
5.4.300.0090.02914.97
5.4.290.0060.03214.87
5.4.280.0080.03514.89
5.4.270.0030.03015.03
5.4.260.0080.02214.90
5.4.250.0040.02814.90
5.4.240.0050.03115.04
5.4.230.0100.03814.70
5.4.220.0060.03315.04
5.4.210.0050.03414.80
5.4.200.0080.03914.94
5.4.190.0070.03514.89
5.4.180.0070.03714.84
5.4.170.0050.02915.05
5.4.160.0070.02314.98
5.4.150.0070.02715.10
5.4.140.0020.03313.45
5.4.130.0030.02513.56
5.4.120.0050.03713.52
5.4.110.0030.03213.64
5.4.100.0090.03813.61
5.4.90.0070.03213.65
5.4.80.0030.03613.55
5.4.70.0050.03513.67
5.4.60.0070.03413.61
5.4.50.0050.04213.57
5.4.40.0000.04113.63
5.4.30.0050.03313.51
5.4.20.0120.02713.60
5.4.10.0070.03713.40
5.4.00.0030.03813.28
5.3.290.0020.04312.53
5.3.280.0070.03512.51
5.3.270.0050.02712.49
5.3.260.0080.02612.58
5.3.250.0070.02012.46
5.3.240.0050.04012.36
5.3.230.0120.03712.57
5.3.220.0040.03412.39
5.3.210.0130.02912.40
5.3.200.0070.03112.39
5.3.190.0130.03012.41
5.3.180.0060.03012.39
5.3.170.0080.03512.51
5.3.160.0030.02912.54
5.3.150.0070.02212.41
5.3.140.0070.04212.32
5.3.130.0030.03312.43
5.3.120.0030.03512.39
5.3.110.0080.03612.47
5.3.100.0080.03312.13
5.3.90.0040.02512.10
5.3.80.0020.02412.13
5.3.70.0050.03212.09
5.3.60.0020.03012.07
5.3.50.0050.03312.08
5.3.40.0040.02312.06
5.3.30.0050.02312.18
5.3.20.0070.02411.92
5.3.10.0050.01911.92
5.3.00.0030.02511.81
5.2.170.0080.03110.68
5.2.160.0030.03210.69
5.2.150.0000.02710.65
5.2.140.0020.02210.69
5.2.130.0050.02510.57
5.2.120.0020.02310.67
5.2.110.0000.02110.63
5.2.100.0050.01810.66
5.2.90.0010.01810.71
5.2.80.0030.01710.65
5.2.70.0000.02210.69
5.2.60.0020.02210.58
5.2.50.0040.01710.53
5.2.40.0010.01910.65
5.2.30.0050.02210.56
5.2.20.0070.02010.54
5.2.10.0070.01310.51
5.2.00.0000.01910.50
5.1.60.0030.01610.39
5.1.50.0030.02510.39
5.1.40.0030.02310.39
5.1.30.0020.02510.39
5.1.20.0020.01710.39
5.1.10.0030.01810.39
5.1.00.0010.02310.39
5.0.50.0050.01010.39
5.0.40.0050.01110.39
5.0.30.0020.01910.39
5.0.20.0030.01010.39
5.0.10.0040.01210.39
5.0.00.0020.01710.39
4.4.90.0020.01310.39
4.4.80.0020.01110.39
4.4.70.0030.01210.39
4.4.60.0000.01110.39
4.4.50.0070.00710.39
4.4.40.0000.02410.39
4.4.30.0000.01010.39
4.4.20.0030.01310.39
4.4.10.0000.01310.39
4.4.00.0030.01510.39
4.3.110.0050.00810.39
4.3.100.0030.00810.39
4.3.90.0030.00810.39
4.3.80.0050.01210.39
4.3.70.0010.01110.39
4.3.60.0020.01210.39
4.3.50.0060.01010.39
4.3.40.0010.01610.39
4.3.30.0020.01110.39
4.3.20.0050.01210.39
4.3.10.0030.01010.39
4.3.00.0020.01010.39

preferences:
51.65 ms | 401 KiB | 5 Q