3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( '{!' . (string)2 + 1 . '}' ); // // See http://php.net/operators.precedence // // The "." and "+" have the same precedence, so how operations are grouped // comes down to their associativity. Left associativity means the operations // were grouped like: var_dump( (('{!' . (string)2) + 1) . '}' );

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)
8.3.60.0110.00416.63
8.3.50.0090.00921.98
8.3.40.0150.00018.92
8.3.30.0100.00319.18
8.3.20.0040.00420.29
8.3.10.0030.00523.65
8.3.00.0040.00420.94
8.2.180.0130.00625.92
8.2.170.0100.00318.96
8.2.160.0070.00722.96
8.2.150.0070.00025.66
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0070.00720.87
8.2.110.0040.00422.25
8.2.100.0000.01117.84
8.2.90.0040.00419.10
8.2.80.0030.00517.97
8.2.70.0080.00017.75
8.2.60.0070.00318.03
8.2.50.0050.00318.07
8.2.40.0030.00617.99
8.2.30.0080.00318.24
8.2.20.0000.00817.63
8.2.10.0000.00717.99
8.2.00.0040.00417.66
8.1.280.0110.00425.92
8.1.270.0090.00624.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.82
8.1.230.0130.00019.09
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0030.00718.71
8.1.160.0040.00422.03
8.1.150.0040.00418.46
8.1.140.0070.00017.47
8.1.130.0030.00317.65
8.1.120.0050.00217.38
8.1.110.0070.00017.29
8.1.100.0040.00417.42
8.1.90.0000.00717.41
8.1.80.0000.00917.43
8.1.70.0000.00817.25
8.1.60.0050.00317.41
8.1.50.0040.00417.38
8.1.40.0000.00817.48
8.1.30.0040.00717.61
8.1.20.0070.00017.53
8.1.10.0030.00517.59
8.1.00.0070.00017.42
8.0.300.0030.00518.77
8.0.290.0070.00017.18
8.0.280.0080.00018.35
8.0.270.0070.00017.26
8.0.260.0030.00317.27
8.0.250.0030.00317.09
8.0.240.0030.00316.96
8.0.230.0060.00316.88
8.0.220.0030.00316.87
8.0.210.0030.00316.97
8.0.200.0070.00016.89
8.0.190.0000.00717.08
8.0.180.0000.00717.02
8.0.170.0030.00516.99
8.0.160.0000.00716.90
8.0.150.0000.00716.86
8.0.140.0030.00516.96
8.0.130.0030.00313.39
8.0.120.0000.00916.89
8.0.110.0040.00416.99
8.0.100.0040.00416.91
8.0.90.0030.00517.04
8.0.80.0080.00817.00
8.0.70.0080.00016.83
8.0.60.0000.00816.70
8.0.50.0000.00816.92
8.0.30.0100.01317.06
8.0.20.0070.01217.40
8.0.10.0030.00516.95
8.0.00.0080.01016.69
7.4.330.0000.00715.00
7.4.320.0030.00316.47
7.4.300.0030.00316.38
7.4.290.0000.00716.48
7.4.280.0080.00016.46
7.4.270.0000.00616.39
7.4.260.0030.00316.27
7.4.250.0000.00716.39
7.4.240.0000.00716.43
7.4.230.0030.00316.48
7.4.220.0030.01416.41
7.4.210.0090.00816.43
7.4.200.0030.00416.29
7.4.190.0000.00716.63
7.4.160.0060.01016.39
7.4.150.0130.01017.40
7.4.140.0090.00917.86
7.4.130.0110.00716.48
7.4.120.0050.01316.45
7.4.110.0110.00716.43
7.4.100.0030.01416.66
7.4.90.0080.00816.27
7.4.80.0080.00917.84
7.4.70.0070.01016.46
7.4.60.0040.01416.48
7.4.50.0050.00816.28
7.4.40.0150.00416.41
7.4.30.0050.01216.38
7.4.20.0130.00716.07
7.4.10.0090.00616.26
7.4.00.0070.00915.68
7.3.330.0050.00013.06
7.3.320.0000.00613.17
7.3.310.0070.00016.39
7.3.300.0000.00616.25
7.3.290.0000.01416.27
7.3.280.0110.00516.25
7.3.270.0100.00617.40
7.3.260.0090.00816.36
7.3.250.0090.01116.48
7.3.240.0100.00616.47
7.3.230.0090.01016.39
7.3.210.0110.00516.48
7.3.200.0080.00917.97
7.3.190.0090.01116.36
7.3.180.0060.01116.47
7.3.170.0060.01116.28
7.3.160.0090.00916.38
7.3.150.0060.01116.35
7.3.140.0130.00316.31
7.3.130.0060.00916.36
7.3.120.0070.00715.29
7.3.110.0070.01016.13
7.3.100.0120.00616.29
7.3.90.0080.00816.16
7.3.80.0100.00716.25
7.3.70.0090.00616.25
7.3.60.0130.01016.21
7.3.50.0000.01516.32
7.3.40.0120.00816.29
7.3.30.0060.01216.33
7.3.20.0070.01016.35
7.3.10.0060.01116.25
7.3.00.0090.00916.40
7.2.330.0000.01916.49
7.2.320.0090.00916.51
7.2.310.0140.00816.47
7.2.300.0060.01316.73
7.2.290.0040.01316.40
7.2.280.0060.01216.45
7.2.270.0120.00516.58
7.2.260.0110.00616.43
7.2.250.0130.00416.63
7.2.240.0090.00916.39
7.2.230.0110.00716.27
7.2.220.0090.01316.51
7.2.210.0090.00916.61
7.2.200.0090.00916.42
7.2.190.0080.00716.43
7.2.180.0140.00316.30
7.2.170.0030.01816.64
7.2.160.0060.01616.50
7.2.150.0160.00316.45
7.2.140.0090.00916.39
7.2.130.0070.01116.45
7.2.120.0090.00916.50
7.2.110.0090.00916.32
7.2.100.0050.01216.67
7.2.90.0150.00816.41
7.2.80.0060.01216.36
7.2.70.0100.00716.23
7.2.60.0110.00416.61
7.2.50.0060.01216.24
7.2.40.0080.00816.38
7.2.30.0140.00416.60
7.2.20.0110.00716.31
7.2.10.0140.00516.42
7.2.00.0040.01317.66
7.1.330.0210.00915.46
7.1.320.0350.01215.39
7.1.310.0320.00715.41
7.1.300.0210.01115.44
7.1.290.0220.01115.57
7.1.280.0180.01215.33
7.1.270.0300.00015.52
7.1.260.0280.00015.32
7.1.250.0260.00415.56
7.1.240.0230.00715.58
7.1.230.0230.00615.41
7.1.220.0180.01115.46
7.1.210.0170.01315.47
7.1.200.0130.00915.51
7.1.190.0240.00515.46
7.1.180.0420.00615.38
7.1.170.0260.00515.50
7.1.160.0240.01015.33
7.1.150.0230.00915.51
7.1.140.0360.00315.32
7.1.130.0260.00715.29
7.1.120.0210.01415.46
7.1.110.0270.00315.46
7.1.100.0160.00916.78
7.1.90.0250.00815.31
7.1.80.0410.01215.46
7.1.70.0110.00816.17
7.1.60.0180.00517.46
7.1.50.0140.00716.12
7.1.40.0190.01315.68
7.1.30.0170.01015.39
7.1.20.0180.01315.43
7.1.10.0300.00315.37
7.1.00.0150.04218.94
7.0.330.0220.01015.19
7.0.320.0420.00415.10
7.0.310.0170.01115.22
7.0.300.0280.00415.14
7.0.290.0200.00815.06
7.0.280.0210.00615.19
7.0.270.0240.00715.31
7.0.260.0250.00414.99
7.0.250.0150.01515.39
7.0.240.0190.01015.14
7.0.230.0250.00515.11
7.0.220.0290.01315.12
7.0.210.0230.00915.16
7.0.200.0120.00515.97
7.0.190.0170.01115.11
7.0.180.0190.00615.13
7.0.170.0250.00615.36
7.0.160.0300.00415.11
7.0.150.0140.01715.28
7.0.140.0130.05118.51
7.0.130.0140.01215.00
7.0.120.0240.00815.29
7.0.110.0290.01015.23
7.0.100.0190.01015.07
7.0.90.0110.01715.03
7.0.80.0180.00915.28
7.0.70.0290.00614.92
7.0.60.0130.03617.48
7.0.50.0160.02516.52
7.0.40.0160.02817.52
7.0.30.0170.03117.66
7.0.20.0190.03717.60
7.0.10.0210.04717.65
7.0.00.0130.04617.64
5.6.400.0220.01115.59
5.6.390.0170.01115.58
5.6.380.0150.01415.88
5.6.370.0240.00715.92
5.6.360.0140.01415.79
5.6.350.0180.01216.04
5.6.340.0220.00915.46
5.6.330.0200.01415.88
5.6.320.0220.00715.99
5.6.310.0220.00915.86
5.6.300.0270.00316.00
5.6.290.0300.00815.58
5.6.280.0110.04218.22
5.6.270.0240.00915.65
5.6.260.0140.01415.86
5.6.250.0210.01015.68
5.6.240.0200.00915.77
5.6.230.0170.01415.72
5.6.220.0150.01515.97
5.6.210.0170.03518.09
5.6.200.0180.04516.91
5.6.190.0150.02718.12
5.6.180.2150.01818.10
5.6.170.0260.02818.10
5.6.160.0210.03318.13
5.6.150.0170.04517.03
5.6.140.0160.02216.91
5.6.130.0210.04216.95
5.6.120.0160.02418.47
5.6.110.0070.03118.34
5.6.100.0140.04418.40
5.6.90.0190.03718.46
5.6.80.0170.04117.89
5.6.70.0100.03618.02
5.6.60.0100.01715.70
5.6.50.0270.00015.75
5.6.40.0120.01515.73
5.6.30.0080.02015.58
5.6.20.0180.01015.59
5.6.10.0230.00815.94
5.6.00.0220.00615.56
5.5.380.0190.01315.46
5.5.370.0290.00315.48
5.5.360.0170.01415.83
5.5.350.0200.02518.08
5.5.340.0160.03016.74
5.5.330.0130.03318.19
5.5.320.0150.04317.96
5.5.310.0230.04018.13
5.5.300.0140.04516.79
5.5.290.0070.04916.89
5.5.280.0120.04418.22
5.5.270.0190.03618.34
5.5.260.0150.02318.31
5.5.250.0180.01918.16
5.5.240.0140.03817.88
5.5.230.0160.01015.76
5.5.220.0230.00515.59
5.5.210.0080.01915.69
5.5.200.0070.02115.65
5.5.190.0140.02315.37
5.5.180.0140.01415.75
5.5.170.0200.01415.59
5.5.160.0150.01515.61
5.5.150.0180.01815.85
5.5.140.0170.01115.32
5.5.130.0250.01115.90
5.5.120.0170.01415.49
5.5.110.0220.00815.73
5.5.100.0170.01115.82
5.5.90.0150.01215.60
5.5.80.0200.01115.57
5.5.70.0180.01115.67
5.5.60.0220.00615.70
5.5.50.0120.01515.53
5.5.40.0290.00715.61
5.5.30.0230.00815.59
5.5.20.0230.00815.58
5.5.10.0150.01615.54
5.5.00.0140.01415.43
5.4.450.0180.02715.99
5.4.440.0220.03516.02
5.4.430.0120.03416.04
5.4.420.0420.00215.97
5.4.410.0130.03115.65
5.4.400.0180.03315.51
5.4.390.0260.03715.54
5.4.380.0140.03415.53
5.4.370.0060.02815.56
5.4.360.0130.02815.49
5.4.350.0170.04112.16
5.4.340.0140.02212.23
5.4.330.0120.01012.40
5.4.320.0130.02412.52
5.4.310.0140.02912.39
5.4.300.0100.02212.36
5.4.290.0150.01912.37
5.4.280.0070.02412.46
5.4.270.0100.02412.42
5.4.260.0080.02712.27
5.4.250.0070.02712.35
5.4.240.0130.02012.38
5.4.230.0080.02512.34
5.4.220.0100.02212.46
5.4.210.0090.02312.36
5.4.200.0140.02312.50
5.4.190.0140.02212.46
5.4.180.0130.01912.36
5.4.170.0120.02112.31
5.4.160.0110.02712.29
5.4.150.0080.02912.38
5.4.140.0100.02312.18
5.4.130.0130.02012.21
5.4.120.0090.02812.22
5.4.110.0100.02712.18
5.4.100.0150.02312.21
5.4.90.0090.02612.19
5.4.80.0140.02212.22
5.4.70.0120.01812.23
5.4.60.0140.01912.21
5.4.50.0100.02212.24
5.4.40.0080.03112.26
5.4.30.0090.02612.13
5.4.20.0150.01912.12
5.4.10.0120.02012.22
5.4.00.0080.02411.98
5.3.290.0130.02712.87
5.3.280.0110.02212.74
5.3.270.0090.02512.92
5.3.260.0120.02212.78
5.3.250.0110.02112.77
5.3.240.0160.01812.78
5.3.230.0100.02612.76
5.3.220.0120.03112.68
5.3.210.0140.02612.64
5.3.200.0080.02412.66
5.3.190.0070.02712.71
5.3.180.0100.02512.73
5.3.170.0110.02212.76
5.3.160.0140.02112.70
5.3.150.0100.02212.71
5.3.140.0120.02712.77
5.3.130.0080.02812.71
5.3.120.0070.02612.81
5.3.110.0110.02212.69
5.3.100.0120.02112.51
5.3.90.0140.02412.55
5.3.80.0110.02112.36
5.3.70.0100.02112.38
5.3.60.0110.02112.44
5.3.50.0120.02312.49
5.3.40.0080.03312.44
5.3.30.0130.02412.48
5.3.20.0110.02112.32
5.3.10.0140.02012.26
5.3.00.0100.02612.15
5.2.170.0090.01810.60
5.2.160.0080.02210.54
5.2.150.0080.02110.58
5.2.140.0100.01910.51
5.2.130.0050.02010.40
5.2.120.0090.01610.60
5.2.110.0110.01710.45
5.2.100.0080.01910.47
5.2.90.0070.01910.42
5.2.80.0120.01710.39
5.2.70.0060.02510.43
5.2.60.0050.02110.31
5.2.50.0080.01710.37
5.2.40.0090.01610.47
5.2.30.0120.01410.39
5.2.20.0060.01910.42
5.2.10.0080.01810.38
5.2.00.0060.02610.20
5.1.60.0120.0149.58
5.1.50.0070.0209.49
5.1.40.0150.0199.53
5.1.30.0060.0189.79
5.1.20.0090.0179.65
5.1.10.0100.0149.59
5.1.00.0080.0169.63
5.0.50.0060.0138.47
5.0.40.0080.0108.28
5.0.30.0080.0188.19
5.0.20.0090.0128.18
5.0.10.0030.0158.16
5.0.00.0040.0198.16
4.4.90.0020.0127.43
4.4.80.0050.0087.42
4.4.70.0050.0097.42
4.4.60.0050.0097.42
4.4.50.0050.0077.42
4.4.40.0020.0167.39
4.4.30.0030.0117.42
4.4.20.0070.0067.46
4.4.10.0070.0087.46
4.4.00.0040.0157.42
4.3.110.0030.0117.38
4.3.100.0050.0097.37
4.3.90.0070.0077.36
4.3.80.0050.0137.33
4.3.70.0010.0127.35
4.3.60.0050.0097.35
4.3.50.0050.0087.35
4.3.40.0060.0127.31
4.3.30.0020.0116.69
4.3.20.0030.0106.68
4.3.10.0030.0096.66
4.3.00.0100.0138.37

preferences:
41.14 ms | 401 KiB | 5 Q