3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "a"; echo $b = "$a"+1; echo gettype($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)
8.3.40.0140.00018.89
8.3.30.0140.00018.95
8.3.20.0050.00320.27
8.3.10.0080.00022.09
8.3.00.0040.00422.43
8.2.170.0040.01122.96
8.2.160.0030.01018.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00926.16
8.2.120.0000.00919.54
8.2.110.0090.00022.11
8.2.100.0070.00418.09
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0030.00617.38
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0090.00018.22
8.2.30.0090.00018.09
8.2.20.0040.00417.61
8.2.10.0000.00717.78
8.2.00.0040.00417.72
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.92
8.1.230.0070.00318.94
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0060.00317.13
8.1.190.0040.00417.50
8.1.180.0000.00918.80
8.1.170.0000.00818.64
8.1.160.0040.00422.04
8.1.150.0040.00418.55
8.1.140.0000.00717.36
8.1.130.0000.00717.88
8.1.120.0070.00017.33
8.1.110.0030.00617.30
8.1.100.0000.00817.36
8.1.90.0000.00717.27
8.1.80.0000.00717.37
8.1.70.0040.00417.33
8.1.60.0030.00617.47
8.1.50.0000.00817.50
8.1.40.0000.00817.41
8.1.30.0060.00317.49
8.1.20.0000.00817.52
8.1.10.0030.00617.54
8.1.00.0040.00417.51
8.0.300.0040.00418.77
8.0.290.0040.00417.04
8.0.280.0000.00818.31
8.0.270.0030.00317.11
8.0.260.0000.00716.80
8.0.250.0000.00816.95
8.0.240.0040.00416.82
8.0.230.0030.00316.84
8.0.220.0030.00316.93
8.0.210.0000.00716.90
8.0.200.0000.00916.89
8.0.190.0040.00416.98
8.0.180.0070.00016.93
8.0.170.0040.00416.93
8.0.160.0020.00516.97
8.0.150.0030.00316.75
8.0.140.0000.00716.68
8.0.130.0000.00513.27
8.0.120.0000.00816.86
8.0.110.0040.00416.89
8.0.100.0040.00416.77
8.0.90.0000.00716.71
8.0.80.0070.00716.77
8.0.70.0000.00716.92
8.0.60.0040.00416.77
8.0.50.0000.00716.87
8.0.30.0130.00716.97
8.0.20.0110.00717.40
8.0.10.0000.00817.01
8.0.00.0110.00716.61
7.4.330.0030.00315.00
7.4.320.0030.00316.57
7.4.300.0000.00616.49
7.4.290.0000.00816.57
7.4.280.0030.00316.46
7.4.270.0060.00016.59
7.4.260.0040.00416.57
7.4.250.0030.00516.48
7.4.240.0040.00416.49
7.4.230.0070.00016.70
7.4.220.0100.00916.54
7.4.210.0060.01116.60
7.4.200.0040.00416.49
7.4.190.0000.00716.65
7.4.160.0100.00716.49
7.4.150.0170.00717.40
7.4.140.0080.01317.86
7.4.130.0050.01116.59
7.4.120.0120.00916.53
7.4.110.0110.00516.41
7.4.100.0100.01016.48
7.4.90.0090.01216.60
7.4.80.0100.00719.39
7.4.70.0070.01016.46
7.4.60.0130.00316.46
7.4.50.0040.00416.55
7.4.40.0100.00722.77
7.4.30.0030.01316.42
7.4.00.0070.00714.79
7.3.330.0000.00513.15
7.3.320.0020.00213.21
7.3.310.0030.00316.44
7.3.300.0040.00416.33
7.3.290.0130.00616.30
7.3.280.0110.00716.25
7.3.270.0120.00617.40
7.3.260.0100.01016.38
7.3.250.0100.00716.34
7.3.240.0060.01116.42
7.3.230.0120.00416.39
7.3.210.0090.00916.40
7.3.200.0110.00619.39
7.3.190.0150.00716.30
7.3.180.0040.01216.46
7.3.170.0120.00316.39
7.3.160.0120.00816.40
7.3.120.0060.00614.89
7.2.330.0110.00516.54
7.2.320.0130.00316.73
7.2.310.0120.00616.45
7.2.300.0070.01016.44
7.2.290.0100.00716.52
7.2.60.0100.00316.75
7.2.00.0040.00719.37
7.1.200.0050.00315.65
7.1.100.0030.00717.72
7.1.70.0000.00917.25
7.1.60.0090.01319.82
7.1.50.0060.00916.72
7.1.00.0000.06022.37
7.0.200.0060.00616.79
7.0.140.0070.07021.92
7.0.60.0070.08720.02
7.0.50.0030.04717.87
7.0.40.0100.07720.16
7.0.30.0200.06720.09
7.0.20.0400.06720.11
7.0.10.0000.04720.00
7.0.00.0100.08020.16
5.6.280.0030.07321.00
5.6.210.0030.08320.43
5.6.200.0100.04718.22
5.6.190.0070.06020.45
5.6.180.0330.04020.41
5.6.170.0270.06720.40
5.6.160.0130.05720.61
5.6.150.0030.05318.11
5.6.140.0030.04018.18
5.6.130.0100.08018.16
5.6.120.0100.08321.11
5.6.110.0070.04720.97
5.6.100.0000.06720.96
5.6.90.0030.04320.87
5.6.80.0100.06720.50
5.5.350.0230.07320.38
5.5.340.0100.07717.92
5.5.330.0100.08320.40
5.5.320.2830.04320.28
5.5.310.0130.04720.32
5.5.300.0030.05318.02
5.5.290.0070.05718.02
5.5.280.0070.05320.87
5.5.270.0030.04320.78
5.5.260.0000.08320.78
5.5.250.0030.04020.66
5.5.240.0030.08320.18
5.4.450.0800.06019.14
5.4.440.0270.04319.52
5.4.430.0070.05719.31
5.4.420.0130.07019.27
5.4.410.0130.06019.00
5.4.400.1100.05018.73
5.4.390.1100.05018.77
5.4.380.0300.05018.71
5.4.370.0100.05718.70
5.4.360.0200.04718.67
5.4.350.0200.05018.61
5.4.340.0130.05318.72
5.4.320.0050.03712.45
5.4.310.0090.04212.45
5.4.300.0070.03912.45
5.4.290.0130.03512.45
5.4.280.0090.03112.34
5.4.270.0030.04212.34
5.4.260.0050.04712.34
5.4.250.0100.05018.67
5.4.240.0070.07718.80
5.4.230.0100.05318.72
5.4.220.0200.05018.87
5.4.210.0130.05318.91
5.4.200.0100.06018.85
5.4.190.0200.04718.87
5.4.180.0170.04718.97
5.4.170.0030.07718.66
5.4.160.0100.05318.84
5.4.150.0070.07318.98
5.4.140.0130.05016.20
5.4.130.0100.06716.45
5.4.120.0170.04316.47
5.4.110.0130.07016.27
5.4.100.0070.07316.24
5.4.90.0070.05316.26
5.4.80.0130.06016.19
5.4.70.0070.07716.43
5.4.60.0100.05016.36
5.4.50.0100.05316.20
5.4.40.0130.04316.34
5.4.30.0000.05316.29
5.4.20.0170.04016.29
5.4.10.0130.05016.17
5.4.00.0130.04315.66
5.3.290.0060.04212.80
5.3.280.0070.07714.68
5.3.270.0030.07014.43
5.3.260.0070.05314.30
5.3.250.0130.06714.75
5.3.240.0230.05014.49
5.3.230.0070.06714.60
5.3.220.0130.05714.57
5.3.210.0030.07714.65
5.3.200.0130.05314.57
5.3.190.0100.06014.41
5.3.180.0070.05314.56
5.3.170.0130.04714.59
5.3.160.0100.06714.71
5.3.150.0200.05714.33
5.3.140.0030.06314.47
5.3.130.0170.04714.46
5.3.120.0100.05014.56
5.3.110.0030.06014.56
5.3.100.0130.06014.08
5.3.90.0100.04313.71
5.3.80.0030.05714.11
5.3.70.0030.05013.72
5.3.60.0000.05714.11
5.3.50.0070.05013.83
5.3.40.0100.05013.78
5.3.30.0070.06313.67
5.3.20.0030.05013.70
5.3.10.0030.05013.66
5.3.00.0070.06013.41
5.2.170.0000.05010.90
5.2.160.0030.06711.04
5.2.150.0030.05711.16
5.2.140.0070.06311.14
5.2.130.0000.04710.86
5.2.120.0030.04311.25
5.2.110.0130.03711.11
5.2.100.0100.05311.01
5.2.90.0030.05311.02
5.2.80.0130.05311.11
5.2.70.0070.05011.00
5.2.60.0100.04010.88
5.2.50.0130.04310.95
5.2.40.0130.04010.91
5.2.30.0100.05010.89
5.2.20.0030.04010.71
5.2.10.0030.04710.75
5.2.00.0100.03310.88
5.1.60.0030.03310.02
5.1.50.0030.0379.96
5.1.40.0000.0409.89
5.1.30.0030.03710.23
5.1.20.0100.04010.36
5.1.10.0030.03710.05
5.1.00.0070.04710.25
5.0.50.0070.0278.37
5.0.40.0070.0338.38
5.0.30.0030.0608.25
5.0.20.0030.0338.19
5.0.10.0000.0438.16
5.0.00.0130.0338.21
4.4.90.0030.0307.46
4.4.80.0030.0307.46
4.4.70.0030.0207.46
4.4.60.0000.0237.46
4.4.50.0030.0207.46
4.4.40.0000.0507.46
4.4.30.0030.0237.46
4.4.20.0000.0237.46
4.4.10.0070.0277.46
4.4.00.0030.0407.46
4.3.110.0070.0177.46
4.3.100.0070.0237.46
4.3.90.0070.0177.46
4.3.80.0070.0337.46
4.3.70.0030.0237.46
4.3.60.0000.0337.46
4.3.50.0030.0207.46
4.3.40.0130.0337.46
4.3.30.0070.0177.46
4.3.20.0000.0307.46
4.3.10.0030.0277.46
4.3.00.0130.0206.69

preferences:
62.1 ms | 400 KiB | 5 Q